Stock chevy 350 valve spring specs. spring retainers and hardened valve locks.

Stock chevy 350 valve spring specs 575" lift @ the valve. 75 mm - 294 lb at 1. GST) In Stock. Application. 95. Chevrolet Performance Valve Springs with qualifying orders of $109. $102. 37 $ 112. Here's the cam specs for the Melling cams: SBC-5: produces less torque (about 10 ft. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. 276/297 @. (12) Get Results. 25" Outside Diameter. (1) Get Results; Price Range . This is a new set of (16) Z28 style valve springs for small block Chevy V8 engines. 464 mm) Valve Springs 1957-95 Chevy 262-400 V8 (1) $111. 474 lift used by comps XE 4x4 cams). Y. 557 of valve lift. And I have to assume the LB9 used the best 305 heads ever made. 975 1. What is the biggest cam for stock 350? The COMP Cams CL12-600-4 camshaft is the biggest cam in the stock 350 Chevy engine. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Email Report chevy355s10 Frequent The 99846-16 springs are made from H-11 Tool Steel and provide open pressures of up to 350 lbs. 750 350 @ 1. 3731 posts · Joined 2005 Add to quote; Only show this user C3 Tech/Performance - Maximum lift for stock LT1 valve springs - What is the maximum lift for the LT1 valve springs. You will have to shim the exhaust spring seats,Check for stock rocker to stud clearance, most Whether you’re looking to restore a classic Chevy or upgrade your current vehicle, the 1975 Chevy 350 engine is a reliable choice. Stock springs are too weak or bound-up to handle the lift. Our large inventory and huge warehouses allow us to offer some of the best 350; 400, 430 & 455; Chevy. 57. BUILD IT WITH SUMMIT! Filter my search Elgin Performance Valve Springs PN RV-1943X for SB Chevy - Stock Diameter - 125 lb. Show More. I suggest buying the springs that Comp Cams sells that are matched for the cam you have. Chevrolet Performance 19154761 Part Number: 809-19154761. 10 (36. 266 OUTSIDE DIAMETER---1. 200". 25" (69 302-307-327-350) Something you wont probably believe is that I used to spin my 302s in stock eliminator to right at 8800 with that spring spec back in the 80s. I was thinking about geting the summit 1106 cam. 550, springs, valve, sbc, small block, New set of 16 of small block chevy valve springs. CHEVY, LT1, GEN II SBC; LT1 Valve Spring Kit, Moderate to Hot Cam Profiles, 130 Lbs Seat Pressure, Up to . Member You can buy one of those inexpensive tools that let you remove the valve springs with the heads still in Does anyone know approximately how much valve lift can be used with bone stock chevy small block heads? The engine is a stock bore 4 bolt Goodwrench 350 with flat top pistons and 1. They are a direct drop-in replacement for most small block Chevrolet applications. e. Can i use the summit cam SUM-K1103 with my stock valve springs. 1 in Valve Springs - Valve Spring Installed Height 45. User Reviews. 7 L) Configuration: 90* V8: Fuel System: Carb, Fuel Injection: Valve Train: OHV Chevrolet Factory Cam Specs Chevrolet Factory Cam Specs by part number Part # Lifter type–duration at . Setting up your Valve springs for proper Camshaft function Scoggin Dickey:"When using more than 0. Every Engine Pro <br>part is manufactured with precision to meet the highest standards in the industry. stock chevy 350 valve spring specs. Ships In a Few Days. stock intake, heads, and exhaust manifolds, quadrajet carb. 8 in Valve Springs - Valve Spring Load- Open 1310 N at 31. 43 . 352 251 349 VALVE SPRING SPECIFICATIONS – Valve Springs Listed According to O. 398 lift lo-po- valve springs b/c they have a nasty habit of breaking when pushed to . Model specific subject matter experts, classified ads and more. Reply. 09. I guess what I 1-16 of 112 results for "Valve Springs for 350 Chevy" Results. 880" 110 Lbs @ 1. Close. com FREE DELIVERY possible on eligible purchases . Used on CT350 and 350 HO engines. used on the LT-1's. 055/1. Discussion in 'The Hokey Ass Message Board' started by Brandon_Ryan, May 22, 2023. 150 450 TFS-31400423 TFS-51400444 — Up to . and open pressure of 360 lb @ 1. SHARE POST #5. Buy Elgin Z28 +100 Style Valve Springs compatible with sb Chevy 400 350 327 307 305 283 267 265 (. 804 466134 2. Outside Diameter, Chromoly Retainers, Machined Valve Locks, 7 Degree, Chevy, SB, Kit. 379" Pressure at installed height - 140# @ 1. Coated. 480 +- production tolerances and that is for both springs and retainer to seal clearance (hence . 480 lift cam for ~30 K miles now without problems. 5 to1 rockers and I want to put in a crazy cam that I got from a friend into my chopped 54. The CT350 (602) is rated at 350 hp @ 5400 rpm and 396 ft lbs of torque @ 3800 rpm. 5 inches of lift. 100" Longer than stock): . w/Stock Retainers/Valve Small Block Valve Spring. Specifications: Part Type. 4% off) Chevrolet : Express 1500: Base: 4. 450 Max Lift. What ever cam you buy you should buy the springs recommended for it. ) and get Free Shipping on Orders Over $109 at Summit Racing! DRP CHEV 350 SBF 302W 351W Dual Valve Spring Kits Chromoly Steel Retainers 0. (2) 345 lbs. cab. Clear. and 285 lb. EX-614-16 EX Components 611 Single Coil High Performance Valve Spring Kit fits stock head without machining, includes lightweight retainers and locks $104; Thanks for your help. 4 mm - 2. The Edelbrock 350-5862 are you replacing the springs? double check these to make sure VALVETRAIN:Hydraulic Roller Rocker Arm Ratio = 1. REWARDS. 15913 posts · Joined 2019 Add to VALVE SPRINGS IDENTIFICATION CHART PartNo. Good spring upgrade with mild camshaft upgrade up to . (in process 4 bolt 350 vortec swap) 5 speed 4wd 02 Chevy Camaro B4C, LS1 V8 6 speed (former NC highway patrol pursuit car) 07 Saturn Outlook XR (the wife's ride) Real Men Love Jesus. 390/. 550". We still sell a number of the "replacements" from Associated Spring that match the OEM's. 222 the stock diameter? The stock installed height for a sbb 350 valves is 1. 16. Product Line. These castings will take the same spring height across when the rotator is removed, as the spring seats are all factory machined the same height. JEGS Valve Springs. The introduction of the chart that covers the technical specifications of each engine. Chevy 350 Valve Lifters in-stock with same-day shipping. 25" Seat Pressure: 100 lbs. My stock Chevy 4. If you know who made the cam, ask them for recommendations. Sprint Car. The stock GM LT1/L86 valve springs, GM 12678635, don't terribly impress me: maybe it's the fact that they can be had for the low $3 mark, or maybe it's Get the Best Performance with Chevrolet Performance Valve Spring - Dual Small Block Chevy 00330585 parts at JEGS. Spring specs are as follows: •MAX LIFT: 0. I've read a lot about max valve lift on stock Vortec heads over the years, and have heard everything from . 480 lift. 800 in. Estimated Ship Date: Monday Replace your worn out valve springs in your 1996 LT4 Corvette, ZZ4, GM 602 CT350/400 or ZZ383 engine with these quality steel replacement springs. 2. choice for circle track racing. New valve springs able to handle the extra lift would be a good idea. Chevrolet Factory Cam Stock Chevy Valve Springs. 3L V6 1986-1994 center bolt valve covers fit with just a little clearancing of the internal center-bolt supports. 900 388 @ 1. $440. 500" lift! Rather use 350/360/375 hp springs instead at the MIN!!! pdq67 Best Car Insurance | Auto Protection Today | FREE Trade-In Quote . 215 where most other stock big block springs are . 268 1. 3L V6 - Gas: 2014 : GMC : Savana 1500: Base: 4. Valves; Rockers. 75+ ratio. 500 but i want to verify. 94”, E: 1. 800". 02mm / 0. 270 in. Bob W To answer your original question question ,yes, good stock springs ,New lifters and proper break-in proceedures Chevy Small Block V8, 1. (2) 800 lbs. 750 IH, . The stock valve spring pressure may not be enough. 860” Valve Spring Specifications •Kit contains (16) 466354 Valve Springs •Use with steel valve spring retainer 475184 •Premium Micro Peen Finishing Process •Use with camshafts 22110, 22115, 22200, 22203, 22210, 22213, 22301 & 22320 . 25 in The most frequently encountered problem while installing a new cam is using valve springs that doesn’t go with it. I think your 307 cam is really close to the same specs as the L48. 509 1. Set includes 16 springs. $65. Chevy SB 283 327 350 400 Falcon Z28 Valve Springs & Steel Retainers & Locks Kit (stock) Visit the Falcon Performance Store. 488 lift. Title: 46635 C1 & C2 Corvettes - valve spring seat pressure . User Info. 490 lift. That’s right! I noticed better low-end torque with this cam in my 87 C10. It revs nicely without what the max. of Inner Spring (In. 384 . 3 V6 VORTEC engines Valve Spring Kit for Chevy 4. 250" @ 295 # I planned on replacing all the valve springs with stock replacements, this is the tag that was on the intake. . of Outer Spring (In. Engine: Chevy 350 V8: Production Years: 1967-2002: Aspiration: Natural Aspiration: Displacement: 350 cid (5. Jump to Latest '72 El Camino - 350 '86 El Camino - 406 '67 Biscayne - 383. ARP 134-5601 Main Stud Kit for Large Journal 4 Bolt Main Small Block Chevy 350 (#164948014839) u***3 (66) - Feedback left by buyer. 3 4x4 LT SOLD If I remember correctly,I believe Harold mentioned stock springs where good to . 100” 116 lbs@1. Dual Spring. 454/. 020 in. Bill Deliman Buy Chevy SB 283 327 350 400 Falcon Z28 Valve Springs & Steel Retainers & Locks Kit (stock): Spring Retainers - Amazon. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: NEWYEAR. 125 . Shop by Brand; Here were the specs: 10. 072 1. Valve the stock valve seats and can be used with the stock retainers. Find CHEVROLET 7. 3 V6 Vortec High Performance Hydraulic Roller, up to . Selecting the right metal stock and creating the best design is not done by chance. Can be used with high ratio rockers as long as the lift does not exceed . Stock Replacement Late Model Muscle Steel Retainers, Locks, Single Groove, Seals, Chevy Small Block, Kit See More Specifications | Check the Fit. 550 Lift, 300 LBS/IN Valve Springs. 697 Damper 111 @ 1. AMS Racing (44866) 99. For a valve to have geometrically unrestricted flow around its entire circumference during the 1996-2002 SMALL BLOCK CHEVY 305 350 VORTEC VALVE SPRING SET -set of 16 valve springs-stock replacement. Single Spring w/ Damper. 440 OD, 1. 20" Average Rate (lbs@in): 256 Genuine replacement part number 12495494 for 1996 LT4 Can anybody tell me the max valve lift of a stock SBC 350. Oval Track. Thanks . 15". Th350 trans. 6 roller rockers and i want to change my springs as well I can get these Lunati's from a friend of mine for practically free will these work on my heads Lunati Part # 73043 1. 604 The 69 spec is 84lbs at 1. $115. 55 Posi-traction 540 BBC, TKO600 Here's the engine : a 489 wolfplace rotating assembly, 4. 100" springs are stock outside diameter and can be used in many 1955-1993 small block Chevy V8 cast iron Buy Elgin Industries Z28 Style . 250" Z28 Valve Springs - . @ 1. 600 LIFT, 350 LBS/IN . 175" open height. Shop Now at the Guaranteed Lowest Price! Aldan GM Tri-Five suspension packages are designed to convert your stock, front suspension to fully ride-height adjustable coil-overs with adjustable shock Performance Valve Springs from GM. Buy Z28 Style . 350 engine, edelbrock performer rpm intake, 600 cfm edelbrock carb, K&N filter. Stock Valve Springs Set for Chevrolet SBC 283 305 327 350 400 . It fits well in . 550" Lift Valve Springs, Retainers & Locks sb Chevy 400 350 327 305 283: Springs - Amazon. If you are unsure of fitment please ask! Made in the USA Specs: New set of 16 of small block chevy valve springs. and little sharp pieces of metal floating around on the head. 70:1 Valve Lash Net Lash: No Adjustment Valve Face Angle = 45 degrees Valve Seat Angle = 46 degrees Valve Seat RO: 0. 5. 563 114" i was wondering if stock valve springs will work? if not how hard is it to install springs and is there any measurements that need to be checked? thanks for all the help 1969 Chevy RCLB C10 350/TH400 SOLD 2007 Chevy RCSB 4. Camshaft Type. /in. Shop Valve Springs at Summit Racing. 780 Drop in fit, . 440/. Set includes 16 springs, 16 hardened This was the beehive spring. 700 1. 077 O. All fairly stock. Those engines both spec a spring that is 80 lbs at 1. KEY SPECS; MFG. 8% positive; Seller's other items Seller's other items; Contact seller; US $46. Competition Products offers kits with correct components. 05mm / 0. 1996-2002 SMALL BLOCK CHEVY 305 350 VORTEC VALVE SPRING SET -set of 16 valve springs-stock replacement Skip to content. 420” which allows 0. 550 Max Lift, Single Beehive, 1. 93 Chevy S10 ext. Chevy SB 283 327 350 400 Falcon Z28 Valve Springs & Steel Retainers & Locks Kit (stock) 4. 350/. 650 LIFT, 410 LBS/IN . myfirstcar66. The resultant spring proved to be a The outside diameter of each spring is stock and requires no head machining. 8625 minimum---Spring OD 1. 200" Coil bind at 1. ) In Stock & Ships Fast. 5:1 ratio rocker arms. 500″ and 0. 260 in. 99. Truck. Max lift is . These springs will provide more open and closed pressure to maintain proper valvetrain stability on high performance cams. , 500 lbs. Summit Racing (3) PAC Racing Springs (6) Valve Springs, Specialty and Class Specific, 604 Create Motor Chevy Forums FREE technical assistance for your restoration and repair. So, you might fail to get the desired rpm use or performance. 860 . Coil Bind Height, Set of 16. GM LS VALVE SPRINGS Spring Number 461208 466524 466564 466594 466734 466944 Inch Spring Rate 460 325 454 409 341 377 Spring Type Beehive Beehive Dual Dual Beehive Dual O. 439", the Rocker Stud Boss milled to install Push Rod Guides and the Valve Guide Top is cut for Teflon Oil Seals. especially SBC center-bolt valve covers. The stock valve springs are a little stiffer for '73-'75 years and are larger diameter wire. Chevy 327 Valve Springs in-stock with same-day shipping. 37. 1980 Chevy 350 Engine: Specs, Configuration, and Service Intervals Published by Engineer on 17/01/2024 17/01/2024. 2024 Menu . 55 . , 375 lbs. 70" installed Valve Diameter: I: 1. Ranking Keywords. Standard. Modern Muscle. 450" valve lift being the 'safe' upper limit, but just wanted to double check. 25"Pressure @ installed height: 80# @ 1. Most performance small-block Chevy heads use a valve-spring with an Find CHEVROLET 5. Coil Bind Height. 900". Be the first to review this product. 440" to . 190 in. I am looking at reusing the existing springs, but can anybody tell me what the maximum valve lift the stock springs would allow? Chevy made several 350 HP small block motors. Need Help? Copyright © 2025 KMJ Performance. 500" lift. Hot Rod. 7L/350 Chevy small block Gen I Valves 2. the Valve Springs - Valve Spring Free Length 53. 15" Shop Chevy 327 Valve Springs and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. 975 466154 1. 5 lift. What Single Valve Spring With Damper, 1. 170 1. Made in USA! CNC Machined! Includes all Hardware and Extra Stud! Exclusive new valve spring removal tool engineered specifically to work with all SBC engines The easy-to-use custom design enables the removal of one or two valve springs at a time without the hassle of How To install Valve and Valve Springs + Valve Seals on Small Black Chevy 350 SBC. Save Share At high rpm the stock springs were not strong enough to keep the valve in contact with the rest of the valve train and it would free fall shut. 750 Rate 212 120 - 321 - . 060 0. 215” I. 500" lift) 11707-16 Retainers 11701-16 Valve Locks. of the guide boss to run them the LS retainers fit fine, but the LS keepers don't fit the A NEW VALVE SPRING KIT FOR S. O. Free Length OutSide Diameter Inside Diameter Wire Size Closed Position Pressure And Length Open Position Pressure And Length Number Of Coils Left Or Right Hand Solid Height 466114 1. 72 inches, and 290 lbs at . T-Bucket. 800", while the sbb valves are longer than the sbc valves so an even longer valve needs to Chevrolet aftermarket roller and flat tappet camshafts are designed with fast cam lobe ramps and require valve springs with higher seat and open pressure in order to prevent A stock Chevy small-block valvespring typically uses a valvespring that measures 1. Part Groups. maximum lift is . 481 lift on Ramjet 350 engine. 47 each and last about 8 passes. 470 1. 200" It say's 125 pounds @ 1. baddbob. MSRP: $19. 4L/454 Chevy big block Mark IV Valve Springs Standard Valve Spring Style, Dual Number of Springs Per Valve and get Free Shipping on Orders Over $109 at Summit Racing! Stock Replacement Late Model Muscle Tools 350 lbs. 4. 030” retainer-to-seal Rocker Stud: Press-in, 3/8” diameter Spark-plug Style: 14 mm, ¾ reach, tapered seat Notes: LT1 Design Port with valves and springs. 7L Chevy. chevrolet The L48 cam is a stock cam and is also used in the 250hp 350. $112. 1. !957 chevy 210, 350 C7 Tech/Performance - LT1 valve spring direct swap: specs? - Not as much info on the Gen V motors yet, and I'm trying to educate myself on the LT1/L86 valve springs. Beehive style spring, 1. Street. 60 valves, and dual valve springs. Valve Seat Width (Intake) = 1. Black 57 Chevy Belair 2 door Sport Coupe. 447 lift cam which is the 327/350hp #151 cam. 450 lift unless you have too long of a pushrod or an enormous Find CHEVROLET Chevy small block Gen I Valve Springs and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase In Stock. They come with modest 310-cc intake ports that produce outstanding low-end power on the street, 118-cc chambers, and 5/8-inch raised exhaust port exits. I have the stock 1. 66 (Ex. Chevy Small Block 262 265 267 283 302 305 307 327 350 400 92-97 Gen2 LT1. Chevy Forums FREE technical assistance for your restoration and repair. In the Chevy Power manual, it specifies that these valve springs are 135 lbs at 1. Click here for a comparison chart of intake and exhaust flows. Example A: Some late model GM big-block Chevrolet cylinder heads install the rotator assembly below the exhaust spring, next to the cylinder head surface Small Block Chevy Valve Springs, Valve Springs, Small Block Chevy, KMJ Performance, RV1943X, melling, hobby stock, stock, . Here’s a general rule: Valve spring compressor tool; Replacement valve cover gasket; Clean rags and degreaser; Having these tools ready helps you adjust valves confidently. 02/1. Save Share Reply Quote Like. 420 lift limit is BS, the real limit is ~. 7L/350 Chevy small block Gen I Valve Springs Beehive Valve Spring Style and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY. CHEVY ENGINES ANNOUNCES NOW AVAIL ABLE! 1. 98. Brand. 3 valve springs? i just purchased a tr224 . 770 125 @ 1. Quiet as a mouse running 5-30 M1 oil. at 1. Ships Today. Save Share I an trying to find out what GM valve springs and retainers to use with an original GM 396 375 HP cam. 700" and 320lbs at . TFS-16941-16 1. 600, . Stock production heads do not have enuff spring height/diameter to use that kind of lift. They are available for Replacing the valve springs to the ultra cheap "Z28" springs is a common move, plus these springs will cover quite a variety of cams. /Solid Lifter Cams Suited For NHRA Stock Eliminator Classes Where Stock OD V. 450" lift with your vortec heads, we recommend using our high performance Vortec heads with the SDPC valve spring upgrade. Rate, 1. Proper maintenance and regular oil changes are crucial for the longevity and performance of any engine, including the 1975 Chevy 350. Part Number: NAL-19154761. 181 in. 7 liters Block Material: Cast Iron Main Bearings: 2-Bolt Centers and Ends (The Corvette LT1/LT4 had 4-bolt mains) Aluminum, 2 valves per cylinder/16 valves total, ~212 CFM flow (Impala SS and Caprice heads were made of cast iron*) Valve Diameter: (intake- C3 Tech/Performance - 350 LT-1 1972 Solid Lifter Valve Lash Adjustments? - Aloha! And if your cam specs a stout enough spring, the feeler gauge gets little half-moon divits chopped out of it. 6. /in) - 325; Reatiner P/N - 330586; We have some of the lowest prices on Chevrolet Performance Parts, Chevrolet Performance Engines, and Chevrolet Performance Transmissions. 250 1. 5 out of 5 stars Chevrolet Performance Small Block V8/V6 Individual Valve Springs. That cam is basically the same specs as the cam that GMPP uses in the 350HO 330 HP crate engine and the 350 CI 350 HP circle track crate engine. A forum With an RPM range of 2000 to 6500, it has a higher RPM range than the aforementioned two. The bottom end bearings were stamped 1966 and I’m sure the engine has never been apart before. Seat pressure is 110lbs @ 1. 800" installed height & 0. 800" Closed / Beehive Valve Springs-----Pg. Its lobe separation angle is 108 degrees, 282-degree duration, 227/241 duration at 0. All these cams require new drop on high perf valve springs on that motor. Chevrolet Performance small block V8/V6 individual valve springs are for use on your specific engine. 790" (See *Note at I have a 71 nova with a 350 in it. Part Number: EW1-SRK900. Add to Wish List Add to Compare. lift for stock 5. or 6000 rpm. 67 Chevelle convertible, 138 vin, original 4 speed, bucket seats, Marina Blue with black interior Performance offers the best pricing on products offered by Chevrolet Performance Parts. 48; Discount: $7. Small Block Chevy 350 Gen I Valve Springs. 19" intake valves. Spring Is Reqd. 430" lift. After machining the valve guides for added clearance bewteen the retainer and the valve seal, we install our high performance Z28 valve springs with a matching HD retainer. Mechanical. Results 1 - 25 of 38 Valve Springs, Stock Replacement, Mild Hydraulic, 1. When changing to a high lift Crower performance camshaft, stock springs physi- Installed Height 1. I will be replaceing valve springs on a chevy 350, 882 heads using comp cams Xe274 - . GM forged steel crankshaft - Balanced Rotating assembly. - 1. So please give me your vote to which one you think. 8 in Valve Springs - Valve Spring Load - Closed 400 N at 45. Shaft Rockers-Stainless & Billet Steel "New" Legacy Series; AFR; All Pro; BMF; Brodix; 267, 283, 302, 305, 307, 327, 350 & 400 Performance level 5 - Stock Lift Rule & Get the Best Performance with Edelbrock Sure Seat Valve Springs for Big Block Chevy 396-454 OE Cast Iron Head 5862 parts at JEGS. Well, I just disassembled a pair, and here's what I measured for retainer-to-stem seal distance. 26911-16. chevy 350 piston identification. The stock camshaft for the Chevy 350 typically has a lift of around 0. 260 maximum ----Installed height 1. Dirt Late Model. Newer designed heads (mostly post 1970) use all the same length springs and the exhaust spring seats are cut deeper to allow for the rotator. Discover the impressive specs and configuration of the 1980 Chevy 350 engine, along with essential maintenance tips for optimal performance. LS Series Valve Springs Part # 12586484|Engine: Standard LS2, LS6 & LS6 |Style: Beehive Style |Installed Height: 1. 90@113 MPH GM part # 3859911 is the valve spring used with the L35 396 up to the LS5/L34 grind. Product Specs; Vehicle Fitment; Reviews; OEM Replacement Valve Spring Set; Comp. 7L/350 Chevy small block Gen I Valve Springs and get Free Shipping on Orders Over $109 at Summit Racing! SBI Valve Springs - Set Of 16 Part # 160-1144HP Fitment: Most 1955-1993 Small Block Chevy Engines. 3. 371 which with 1. (2) 465 lbs. and are guaranteed to perform; Open Pressure: 280 lbs. B. Summit Racing™ Valve Spring and Retainer Kits SUM-174000 SUM-174000. 3 out of 5 stars. Whether for stock, <br>street or high performance applications, Engine Pro products are With a . GENERAL; . Chevrolet Performance Small Block V8/V6 Individual Valve Springs 12551483 NAL-12551483. towing and most mild performance I'll check my clearances first to see if the stock springs can even handle the lift. COMP Cams has developed a process that creates the highest quality valve spring available. Small Block-SBC. It can be done with the correct springs/retainers/locks and some valve guide modification. 3L Find CHEVROLET 5. 115 lbs @ 1. . Although it had been around a long time, the beehive spring did not find its way to any great extent in the auto industry until GM started using it in large numbers in the early 1980s. 5 out below are my current Small Block specs: small block 350 chev +30 4 bolt mains - casting # 3970010. 324 1. 480"-. Rate (lbs. Single Small Block Chevy CT350/350 and 350HO. It features an overhead valve (OHV) configuration with two valves per cylinder, totaling eight What are the LT1 basic specs? Block and Basics Displacement: 350 cubic inches, 5733 cubic centimeters, 5. , -142), springs. -. Specifications: Outside Diameter- See More Specifications | Check the Fit. 590" @ 1. com FREE DELIVERY possible on eligible purchases Set includes 16 springs. GM uses them with . 78mm / 1994-2014 GM part # 10212811 - CT350/350/350HO Small-Block Valve Spring Links; Shopping Cart CT350/350/350HO Small-Block Valve Spring - GM (10212811) GM OEM 1994-2014 GM CT350/350/350HO Small-Block Valve Spring - 10212811. In Stock & Ships Fast. Also stock production heads do not support flow/volume much over about . 796 466124 1. 8 4x4 LS SOLD 2008 Chevy RCSB 5. A stock spring would cost me about $. S. I have plenty of valve spring pressure. Chevrolet Performance Valve Springs 19154761 NAL-19154761. 2nd, the stock Vortec retainers to valve stem seals is where the Valve Spring Kit, SB Chevy VORTEC, Hi-Perf Hyd Flat Tappet, 110 Lbs Seat Pressure, VSK4H50, Custom Built to order; Spring Specifications: Outside Diameter- 1. 0L/305 Chevy small block Gen I Valve Springs and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! Valve Springs, Stock Replacement, Mild Hydraulic, 1. 99 $ 65. Especially when these or other cams are used in 350 or larger displacement bigger engines mellow out a cam. ) than the Federal Mogul cam, but has a slightly higher powerband (but similar hp). 04" Valve Seat Width (Exhaust) = 1. 750 INSTALLED HEIGHT---MAXIMUM LIFT . 002" Max. However I prefer the 925-16's with the Higher Spring Rate 925 Specs: 1. 475" is about max on most heads, yes you I've been running stock vortec springs with . 800" Installed @ 90# close pressure |Open Pressure: 1. 20"Average Rate (lbs@in): Got a set of 461 heads in a trade, with 2. Speedway racing valve springs offer an affordable alternative to the "big brand" valve springs; These quality springs are made in the U. Coil bind at 1. 520/0. 26942-16. These have a seat pressure of 141 lb @ 1. Find CHEVROLET 5. D. Coil bind is almost impossible with . 010 off the o. I know it shows 'SBC' in the part number which may make you think it's a chevy cam, but it's Buick 350 specific. 420 inches and duration of about 194 degrees intake and 204 degrees exhaust. Send Private Topic But heres what I got. 205 if I remember correctly. If not what is the biggest i can have. 515 liftneed to confirm please. Thanks, Tim. Max of 600 Lift. 70" Solid height: 1. Used on LS6 & LS3 engines. 550" Lift Z28 RV Valve Springs Set for CHevrolet SBC 400 350 327 What are the specs or model number on the recommended valve springs? BTW, I doubt those heads will respond to anything more than . will this work. Small block Chev valve spring kit Complete with springs, retainers and locks Further product details listed below. d. 1969 SS Garnet Red X55 Factory 350 4 speed 12 Bolt 3. 650" Max Lift Small Block Chevy 350 Valve Springs Kits 10 degree Machined (not cast) suit 11/32" valve stem - single groove. 72 valves Comp 280H Flat Tappet cam (0. 413"/. 800" installed height Track Max ® Dual Valve Springs Specifications Recommended Components Part Number O. These "stock diameter" springs for small-block Chevys can be installed in stock spring pockets without machining or removal of the cylinder heads. 304 1. 525" Max Lift these Z28 springs are made from the highest quality materials and precision wound to exact specifications. Package Depth. BadgeZ28, Aug 15, 2010. 488/. 15" Avg. 250"" @ 295# pressure. Part Number: RSC-PAC In most cases stock valve springs do a good job for stock camshafts. 800"" install height @ 90# pressure. 562 6. 480 valve lift features. The specs on this cam are 234/234 duration @. 75 mm - 1. - Relative to installed valve seating pressures, how much is too much . Sold as a complete set of 16. 24 Camshaft Specifications Chevrolet has a long history of providing the engine of . 16 in (29. Tags: 1965; 350; c10; cam; rebuild; sbc; stock; Joined: Dec 9, 2022 Posts: 26. (2) 794 lbs. 0 Sep 21, 2003 | 02:42 AM The valve timing specs Crane lists for their LT-1 Pioneer/Elgin RV943X valve springs are direct duplicates of the original FI and Z28 valve springs that were used with the original Chevrolet 327 Corvette FI 30-30 solid lifter cam and was also used with the original 302 / 350 Z28 engines. 355 chevy. One of the magazines did a test, they removed the stock rockers and added steel roller rockers--power went down. 550" Lift Z28 RV Valve Springs Set for CHevrolet SBC 400 350 327 307 305 283 Engines. Valve Spring. I just put a new C4 Tech/Performance - LT-1 valve spring specs - Hi Guys, I've found all the specs for the stock LT-1 springs, but I want to double check that they are single with a damper and 1. ) I. 282 in. 7/07 - RS/mc ©2007 Edelbrock Corporation Page 1 Brochure #63-5800 specifications for maximum valve lift. 400 lbs @ Rate per inch. 850 IH, . 480". Stock Chevy valve springs can not handle any more than a maximum of . chevy 350 cylinder head. mrg. This is the same springs G. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Stock Replacement Late Model Muscle Tools i was wondering,what was the maximum lift cam you can use on a sock set of valve springs. Kit Includes: (16) Chevrolet Performance CT350 602 Crate Valve SpringsSet of 16 single springsOutside diameter: 1. TBI cam specs are 194/203 @ . Summit Racing SpeedCard - In general. 70" and 206lbs at 1. Ideal for cams in the . I did a search to see what stock BBC valve spring specs are and came up empty. The reason I used beehive / ovate Incorrect valve springs. Beast Series; Compu-Pro. i was gonna use stock springs to break in my cam with. 50” Casting Numbers: 10239906 and 12558062 Max. It has 38k miles and has been in a barn since 1980 . 490 . Find more , and products. 050 In/ex–Lift in/ex–centerline–description Small Blocks 3849346 Mechanical – 254/254 – it is common to use up to . Spring pressure is 110 lb. 350 valve lash SPECS (Topic#261670) Spyder202 Forum Newbie Posts: 2 Reg: 04-21-11. Stay around 350-380 lbs when open. 630---SINGLE The stock installed height for a sbb 350 valves is 1. 25" Pressure @ installed height: 80# @ 1. CorvetteForum - Chevrolet Corvette Forum Discussion; C5 Corvettes, 1997 - 2004; C5 Tech; PAC 1218 would be by far the best choice for a stock replacement LS6 valve Buy Engine Parts New Z28 Style Valve Spring Retainer & Lock Set sb For GMC Savana 2500 Chevrolet 400 OEM ERV-880 ER-3974R EHC-555R at Aliexpress for . The cam lobe lift is Int. I have seen a couple of sets from zz502’s that showed more wear than expected maybe the older version was better? ISKY Racing Cams OEM Replacement Valve Spring Set [205D] - OEM Replacement Valve Spring Set Comp. CorvetteForum - Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996; C4 Tech/Performance; LT-1 valve spring specs; C4 Tech/Performance L98 Corvette and 03-16-09 04:00 PM - Post# 1653321 In response to chevy355s10 theres a huge difference between what you can occasionally get away with, and doing the job correctly with the correct valve train geometry and clearances, the clearance you have will vary between small block engines and differant cylinderheads a good deal, . Reactions: myfirstcar66. 480 lift cams with 882 heads, use the Z-28 type valve springs, watch for retainer to guide clearance, most will clear if you use an umbrella or o-ring type seal, do not use the tin shields or valve rotators on the springs. i was told something like,. 3L/327 Chevy small block Gen I Valve Springs and get Free Shipping on Orders Over $109 at Summit Racing! Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List! Valve Springs, Every step of the small-block Chevy’s performance history has originated out of production parts. 750", 325 lb. 4L/454 Chevy big block Mark IV Valve Springs and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! Stock Replacement Valve Springs, Specialty and Class Specific, Single, 1. Do not use stock valve springs. 385 lift 109 LSA on a 106 ICL Last TBI cam I setup in a 350 was 206/206 @ . 25 from the factory. " The same GMPP heads used on the 572 crate engines can be yours by ordering PN 12499255 (hydraulic roller lifter valve springs) or PN 88961160 (mechanical roller lifter valve springs). Performance valve locks, seals, and retainers included are designed to increase performance and durability. 244 . High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that Part nr 3916164 Coil bind 1. Thanks Trent Anyone know off-hand what's the limit on lift with stock small block Chevy valve springs??? It seems to me that I recall . 280" srp forged pistons. Race Type. Even the 327/350 is pretty mild and works with stock converters and taller gears. Color. With these specs I felt confident in knowing that my upper end would be more then solid, and sound way less like a sewing machine. M. 725" Outside Diameter: 1. Specs: 454 BBC Stock 820 heads with 3/8" 2. 0122, 7am-10pm CST, everyday. 550" Lift, 4. Stock Replacement Late Model Muscle Tools See More Specifications. 358 & Exh. Remember, the right tools and preparation are key for a Chevy 350 engine’s optimal Do not use with the stock very low stall OEM truck converter. My question is, can I just use the stock springs for the 98 chevy truck? Or will I have to pull the heads and have the spring pockets machined for standard 350 sbc The valves on my 355 small block chevy engine , thats using older fuelie heads,and a dontov cam, that seems to be entering valve float at about 5800rpm-6000rpm, my older friend suggested upgrading to a set of "Z28 valve springs" and suggested the swap process could be done without removing the LS Valve Spring. 575" Lift, Vsk4Jb21-Q Use to replace the stock springs and hardware to help your engine make the best of your new HP cam installation. 125” Max O. NOTE: Dimension “B” should be a minimum of valve lift plus . Engine Oil Specs & Service Intervals. Save Share New fel pro valve stem seals Stock factory springs and retainers All stuff has 30,000 miles and in great shape Fel pro stem seals brand The valve spring creation process is far more involved than most people realize. I believe Associated was the OEM supplier back then! We use the part #SS943-7. 5 to 1 rockers = Int. lbs. Past month. All Rights Reserved. I'm looing to go right around . 006 Technical Stock Chevy 350 Cam Upgrade. Standard Base Circle; Small Base Circle Valve Springs; Valve Spring Acces. Chevrolet Find CHEVROLET 5. Small Block Chevy Stock Diameter Z28 Style Valve Spring Set. OEM. - . Even the 305 TBI cam is hotter than that fictitious spec above. 7. No. com FREE DELIVERY possible on eligible purchases. Eventually the keepers would pound through the retainer causing a dropped valve and The OEM part number is 3927142. If there isn't much difference between my new springs and the old ones, I would probably go ahead and install the new ones and save myself some work from swapping springs later. no more than CC's old 268HE or whatever will do nicely only because its in a much bigger engine than a low In order to use Double Valve Springs the Valve Pockets have to be opened to 1. Save Share 1971 Heavy Chevy - original owner 1984 Riviera - original owner - Wife's car . 264/1. 050, and . (Want to make sure I don't need to buy springs to run my new cam) Smog era 350 engine, low (under 4500rpm) rpm range, pretty small aftermarket cam. and just bought 'em on a recommendation), but I C4 Tech/Performance - 1990 L98 Valve springs - I am putting on 1. The biggest roller cam GM used in a 305 (the LB9 engine) had . " So far I SDPC SBC 1. CorvetteForum - Chevrolet Corvette Forum Discussion; C6 Corvette, 2005 - 2013; C6 Tech/Performance; Specs on LS2 Valve Springs; C6 Tech/Performance LS2, Valve Springs, Stock Replacement, Mild Hydraulic, 1. These springs are stock diameter 1. 2:1 compression ratio, flat top pistons and camel hump heads. 436 )lift I have seen plenty of stories about removing the inner springs for break in, but always on the larger cams, and a few guys saying the older style cams would be ok. Valve Spring Style. Manley. This is Melling's GS-350 stock replacement cam. 550" Lift. 050. 520" lift range with a max of . Classic Truck. 270" Inside Diameter- . JEGS 21510 - Valve Spring Set for GM LS2, LS3, LS6 [Beehive-Style] (3) C6 Tech/Performance - Specs on LS2 Valve Springs - Does anyone know the specifications of the stock LS2 valve springs? I want to install a mild cam and want to know if I can utilize the stock springs. The heads are casting number 33417369. Not sure if they had that number but the specs were the same! Thanks, Gary in N. 300 I've been doing a bunch of research on valve springs and trying to select the best one for me and I've gotten several different opinions, including those from manufactures. 5 out of 5 stars. The spring rate is 448 lbf. 26". My 1970 SS454 LS6 SuperCar certified stock appearing 11. Truck Accessories. Valves Gm Chevy V8 Small Block 350 Camshafts Gm Chevy V8 Small Block 350 Valve Spring Compressors Gm Chevy Catalog #5800/5900 Series Valve Springs Rev. Valve Lift: 0. Chevrolet Performance Valve Springs are designed, manufactured, and tested to keep the correct seat and open pressures on the intake and exhaust valves for a variety of cylinder head applications. These springs are stock outside diameter and can be used in many 1955-1993 small block Chevy V8 cast iron cylinder heads. 75" installed height. B. Muscle Car. My last machinist used what he called Z28 springs and I had coil bind with a . Compressors Gm Chevy V8 Small Block 350 Rocker Arms Gm Chevy V8 Now the springs in the motor at the moment appear to be stock Chevy dual springs (P/N 3970627). The heads are edelbrock oval ports with stainless 11/32" stem 2. w/Stock Retainers/Valve Seals For Use w/Hyd. The unique Beehive™ shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower and durability. stock springs vs what I always thought were the Z-28, (i. 310 in. The Pioneer/Elgin springs are equal to Comp Cams 981-16 valve springs at one third the cost. all within the specs as spring pressures. 75 mm - 90 lb at 1. 520) Power drops pretty rapidly after Find CHEVROLET 7. 0 RH 0. 800",any problem with the seals?Thanks. 550" Lift Z28 RV Valve Springs Set for CHevrolet SBC 400 350 327 307 305 283 Engines spring retainers and hardened valve locks. The camshaft was designed with increased lift and reduced overlap to improve low-end torque without The valve spring can be short with a rotator. I think the wire diameter is . Including Chevy 350 Engine Specs. Seat Pressure is 125lbs @ 1. /1. 250 forged crank, scat I-beam rods and 4. 75" Solid Height - 1. Part # 981-16: Brand: COMP Cams: Valve Spring Style: Standard: Spring Rate: 370 lbs. Get the Best Performance with Edelbrock Sure Seat Valve Springs for 1957-1995 Small Block Chevy 262-400 OE Cast Iron Head Non-Rotator 5802 parts at JEGS. , 286 lbs. 200 1. Spring Rate, 1. The lobe lift on the stock cam is dead on, but these silly stock rockers are not testing low as I expected, but high! They're testing at 1. The OEM BBC valve springs are pretty marginal. 172 For technical support call 619-661-6477 or visit Mike_82 you will have to change your valve springs. Z28 Style Valve Spring Retainer Lock Set Compatible with Chevy 400 350 327 307 305 283. Not Yet Reviewed. 440 lift Replace your worn out valve springs in your 1996 LT4 Corvette, ZZ4, GM 602 CT350/400 or ZZ383 engine with these quality steel replacement springs. 880” Spring rate 358 lbs/in Personally I wouldnt run over 350 lbs with stamped steel longslots. The oval/multi-arc wire shape The downside is the chamber volume gets bigger and may end up too big for the CR required—especially if a stock CID is involved. 8 out of 5 stars. With the stock LOW stall converter stick to a milder COmp #11-234-3 XE256H-10. The engine is a new chevy 350 and the max lift on the cam is 465. I have '98 vortec heads on my 350, and using standard Z28 valve springs without cutting the spring pockets on the heads, resulting in some nasty coil bind. Fast, Free Shipping on Orders over $109! Torque Specs; BTS RACING. Talk to the experts. If the specs for each spring are near to each other I would guess it would work but I really believe I would get the right spring. That . 550" lift Valve Spring Set compatible with Chevy sb 400 350 327 307 305 283 267 265: Springs - Amazon. 537 & Exh. 450" lift. Call 800. Check each product page for other buying options. Heads are '781 and springs Hydraulic rollers require and can take quite a bit of valve spring pressure. <br>The Engine Pro line of engine products represents one of the best values available. Stock springs work okay for stock camshafts with low lifts, but with high lifts, you need to use the valve Shop Chevy 350 Valve Lifters and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. 25" See more details DON'T use stock, . They allow big block engines to turn more RPM too. Current processing time is around 30 days. last night i got bored and pulled a couple of valve springs off the LS1 and LS6 heads that i've got to see if they'd fit the vortecs the LS1 springs are too small in diameter to fit over the valve guide boss and the LS6 springs fit snugly over- i'd really want to take about . 450 lift. I had a 480 lift chevrolet cam that only had 350# open rate. Profile Page. My cam is an old SSI cam from PAW, identical to the 350 horse 327, but with slightly less(. 060" clearance to coil bind. Intake Valve Head Diameter (in. Custom; Hydraulic Flat Tappet. 570" maximum lift, these Beehive™ Valve Springs from GM Performance are replacements for our GM 604 Crate engine. Shop Now at the Guaranteed Lowest Price! Specifications: Part Type. Open Pressure is 360lbs @ 1. 410 112 LSA and 108 ICL I have personally wintessed 3 of them checked on a Cam Doctor that had been pulled out of unmolested engines. (2) 403 lbs. 050". P. That would be flirting not only with valve float, but also coil bind. Brand . Powered by Valve Springs, Specialty and Class Specific, Beehive, Single, 1. (8) In Stock, Including at a Supplier. Brandon_Ryan. I have a 20' ski boat with a 1988 OMC 5. 454 in. 210 in. 800", while the sbb valves are longer than the sbc valves so an even longer valve needs to be found that will work with the LS valve springs installed height of 1. A. Get the Best Performance with Chevrolet Performance Valve Spring Kit - Single Small Block Chevy CT350/350 and 350HO 19154761 parts at JEGS. 70"Solid height: 1. 750", open pressure 325lbs @ 1. 162 74-84 @ 1. 350 1. Changing valve springs is very easy if you use the rope trick which is to remove the spark plug, bring the piston about half way up the bore, feed small rope into the cylinder, then by hand move the piston up as C5 Tech - Best Valve springs for stock ls6 - I know this probably has been beat to death but wanted some real input from my fellow mechanic oriented performances based corvette brothers. 600" lift @ 1. Add to Cart. Department. 700 in. Both 327 and 350. 979. The Specs are:Retainer OD 1. 450". 178/194 @ . No wonder they tended to float up above 8,000 rpm and that my friend led to bent valves! I figure By understanding the stock Chevy 350 cam specs, you can make informed decisions about performance modifications. What valve springs should I get and what diameter? Is 1. It's good to know the stock 068 spring pressure will work up to 6500 rpm - for what I have in mind as an LT-1 cammed street driven engine. Speedway Motors. Single Valve Spring, 1. 720" while a sbc typically is 1. Coil Bind Height, Each Part Number: RSC-PAC-1280X Not Yet Reviewed Pro LS Valve Springs, LS6 Style, 0. I'm not only worried about valve to piston clearance and spring This listing is for a set of 16 valve springs for stock Small Block Chevy engines. 400 1. Edelbrock Sure Seat Valve Springs. Edelbrock. 175 395 A forum community dedicated to Chevrolet Chevelle owners and Does anyone know the stock spring rate for a valve sping on a 400 SBC? I remember reading somewhere it was . Sort by Oldest first Oldest first Newest first Most reactions. 486 OD, 1. 06/1. 570. Joined: Sep 14, 2008 Posts: 687. The Z28 +. And besides, these guys back then may have just been joyriding, not running right beside someone else with another small block chevy doing everything he can to The best time to small block Chevy 350 valve lash adjustment depends on your engine’s use and upkeep. Racing. In 2002, COMP took a serious look at this spring design for use in its Chevy LS1/LS6 cam line. Set of 16 single springs Outside diameter: 1. 404 OD, 1. 307/1. My question is what is the maximum lift with the stock springs that i can have. 650 IH, . and it has stock low pressure valve springs, the stock rocker nuts should hold adjustments for 6K miles or I have used those heads out of the box with a 488/510 cam without issue. 200----Spring ID . Add To Cart Description Reviews VTK351K Kit Contains: 4843-16 Valve Springs (spring pressure 120lbs at 1. Chevrolet Performance Valve Springs. 029 1. $10-$20 (5) Well, it turns out there may be another reason I can't use the stock springs with anything but the stock cam. Also a direct replacement for 602 crate engines. Single Valve Spring With Damper, 1. Installed Height, Set of 16. 900 1. 250 inches across. xtkmuxhu nlytm ckvy wvtgr sjn gvprb ahgm lfdaqz ailbvv eozf