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Chevy Small-Block V8  |  Camshafts & Camshaft Kits
 

All camshaft kits are a new generation designed and manufactured by Crane Cam Co.® All kits contain one camshaft and 16 tappets.  
 
 
Quick Reference Charts

Large Cat. Image
Modifier      
12353914 Camshaft Kits      
All models of small-block Chevrolet V8 1981-87 with computer and non roller camshaft. Designed for brute low-end torque in full size passenger cars, 2-wheel and 4-wheel drive trucks. Great for standard 267" and 305" and 350" engines that cruise at 1800 and 2600 rpm.   Small Image
Technical Notes: These are hydraulic flat tappet camshaft kits. This camshaft is emission legal in all 50 states. The duration at .050 lift (intake/exhaust) is 180/194 degrees, and the valve lift is .378"/.401". This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12353915 Camshaft Kits      
All models of small-block Chevrolet V8 1981-87 with computers and non- roller camshafts except HO 305. Designed for mid-range torque in passenger cars or light and intermediate 2-wheel and 4-wheel drive trucks with factory optional gearing. Good choice for auto. trans. Great for 305" and 350" engines running between 1800 and 2600 rpm.   Small Image
Technical Notes: These are hydraulic flat tappets. Emission legal in 50 states. The duration at .050 lift (intake/exhaust) is 194/204 degrees, and the valve lift is .401"/.403". Lobe centerline is 104. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12353916 Camshaft Kits      
All model small-block Chevrolet V8 1981-87 with computers and non-roller camshafts. Designed for cars with 305" HO and 350" engines that cruise above 2600 rpm, also good for 350" trucks with suitable cruise rpm.   Small Image
Technical Notes: These are hydraulic flat tappet camshaft kits. The duration at .050 lift (intake/exhaust) is 204/214 degrees, and the valve lift is .423"/.446". Lobe centerline is 110. This camshaft kit is emission legal in all 50 states. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12353917 Camshaft Kits      
8.0 - 9.5 to compression ratio, 2200 - 2600 cruise rpm. Basic rpm range 1500 - 4000, 6500 rpm attainable with proper valve springs and lifters. All model small-block Chevrolet V8 1955-66 California, 1955-68 with federal emissions. All non-emission trucks, and 1966-92 for off-highway applications.   Small Image
Technical Notes: These are hydraulic flat tappet camshaft kits. The duration at .050 lift (intake/exhaust) is 204/214 degrees, and the valve lift is .420"/.442". Lobe centerline is 112. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12353918 Camshaft Kits      
All "Marine" and off-road small-block Chevrolet V8. Compression ratio 8.75 - 10.5 to 1, 2600 - 3000 cruise rpm, basic rpm range 2000 - 4500 rpm, 6500 rpm attainable with proper valve springs and lifters.   Small Image
Technical Notes: These are hydraulic flat tappet camshaft kits. The duration at .050 lift (intake/exhaust) is 214/224 degrees, and the valve lift is .442"/.465". Lobe centerline is 112. This camshaft kit is designed and manufactured by Crane Cam Cov.®. It contains one camshaft and 16 tappets.

Modifier      
12353923 Camshaft Kits      
All model small-block Chevrolet V8 1955-66 California, 1955-68 with federal emissions. All non-emission trucks, and 1966-92 for off-highway applications. 9.5 - 10.75 - 1 compression ratio 3000 - 3400 cruise rpm. Basic rpm 2200 - 5700, 6500 rpm attainable with proper valve springs and lifters.   Small Image
Technical Notes: These are hydraulic flat tappet camshaft kits. The duration at .050 lift (intake/exhaust) is 224/234 degrees, and the valve lift is .465"/.448". Lobe centerline is 114. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12364050 Camshaft Kit, Hydraulic      
Single pattern, blueprinted replacement for factory P/N 3863151 with 350 hp and 327 cu. in. camshaft.   Small Image
Technical Notes: Basic rpm range is 2200 - 5200; cruise rpm at 60 mph is 3000 - 3400 and compression ratio is 9.5 - 10.75. The duration at .050 lift (intake/exhaust) is 222/222 degrees, and the valve lift is .447"/.447". Lobe centerline is 114. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12364051 Camshaft kit, Hydraulic      
Dual pattern, blueprinted replacement for factory P/N 3896929 with 300 hp and 327 cu. in. camshaft.   Small Image
Technical Notes: Basic rpm range is 1000 - 3500; cruise rpm at 60 mph is 1600 - 2200 and compression ratio is 7.75 - 8.75. The duration at .050 lift (intake/exhaust) is 195/202 degrees, and the valve lift is .390"/.410". Lobe centerline is 112. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12364052 Camshaft Kit, Mechanical      
Blueprinted replacement for factory P/N 3849346 with 290 hp and 302 cu. in. 228 camshaft, auto with 4000 converter.   Small Image
Technical Notes: Basic rpm range is 4000 - 6800; and compression ratio is 11.0 - 12.5. The duration at .050 lift (intake/exhaust) is 254/254 degrees, and the valve lift is .485"/.485". Lobe centerline is 114. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12364053 Camshaft Kit, Mechanical      
Blueprinted replacement for factory P/N 3927140, this is an off road special camshaft, auto with 4000 converter.   Small Image
Technical Notes: Basic rpm range is 4200 - 7200; and compression ratio is 11.0 - 12.5. The duration at .050 lift (intake/exhaust) is 257/269 degrees, and the valve lift is .493"/.512". Lobe centerline is 112. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12364054 Camshaft Kit, Mechanical      
Blueprinted replacement for factory P/N 3972182 with 330 hp and 350 cu. in. camshaft, auto with 3000 converter.   Small Image
Technical Notes: Basic rpm range is 3000 - 6200; and compression ratio is 10.0 - 12.0. The duration at .050 lift (intake/exhaust) is 242/254 degrees, and the valve lift is .459"/.485". Lobe centerline is 116. This camshaft kit is designed and manufactured by Crane Cam Co.®. It contains one camshaft and 16 tappets.

Modifier      
12480002 350 Hot Cam Kit      
This off-highway camshaft kit has the major valve train component to convert production LT1 engine for showroom stock racing, or hop up your small block Chevrolet V8 that was originally equipped with a roller tappet camshaft. The 1.6 roller rockers, light weight valve spring caps, special designed valve springs and hot camshaft offers a significant gain in horsepower at a reasonable price. This kit includes the following items: one camshaft P/N 24502586, 16 roller rocker arms kit P/N 12370839, 16 valve springs P/N 12551483, 16 valve caps P/N 10212808, 16 valve keys P/N 24503856, 16 valve spring shims P/N 10212809.   Small Image
Technical Notes: This kit does not include roller tappets. See valve lifter section 0.459 for the lifter kit.

Modifier      
12480110 Camshaft, "Gen 3" V8 (LS1)      
The "Gen 3" V8 (RPO-LS1) engine is used in all 1997 and later Corvettes, and 1998 and later Camaros. This camshaft is designed for ASA racing and has .525" lift on 110º center line. Use with "Gen 3" LS1 engines only.   Small Image
 

Modifier      
10134334 Hydraulic Roller Tappet      
This hydraulic roller tappet is used on the 5.7-liter H.O. engine assembly for ZZZ through ZZ2 engines. Use with spring P/N 10134358. The duration at lash point in degrees (intake/exhaust) is 336/336; duration at .050" tappet lift (intake/exhaust) is 235/235; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 480/480. Valve lash is zero/zero and lobe centerline is 114 degrees.   Small Image
 

Modifier      
10185071 Hydraulic Roller Tappet      
This hydraulic roller tappet is used on the 5.7-liter H.O. 350 ZZ3 & 4 engines. The duration at lash point in degrees (intake/exhaust) is 275/280; duration at .050" tappet lift (intake/exhaust) is 208/221; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 474/501. Valve lash is zero/zero and lobe centerline is 112 degrees.   Small Image
 

Modifier      
12370845 Hydraulic Roller Design      
This hydraulic roller design contains eccentric for mechanical fuel pump. It is for off-road use only. The duration at .050" tappet lift (intake/exhaust) is 214/224; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 488/509. Valve lash is zero/zero and lobe centerline is 112 degrees.   Small Image
 

Modifier      
12370846 Hydraulic Roller Design      
This hydraulic roller design contains eccentric for mechanical fuel pump. It is for off-road use only. The duration at .050" tappet lift (intake/exhaust) is 222/230; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 509/528. Valve lash is zero/zero and lobe centerline is 112 degrees.   Small Image
 

Modifier      
12370847 Hydraulic Roller Design      
This hydraulic roller design contains eccentric for mechanical fuel pump. It is for off-road use only. The duration at .050" tappet lift (intake/exhaust) is 234/242; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 539/558. Valve lash is zero/zero and lobe centerline is 112 degrees.   Small Image
 

Modifier      
12523897 Hydraulic Flat Tappet      
This hydraulic flat tappet is used on the 83-86 305ci Z-28 and L-69 Camaro. The duration at lash point in degrees (intake/exhaust) is 294/294; duration at .050" tappet lift (intake/exhaust) is 202/206 and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 403/415. Valve lash is zero/zero and lobe centerline is 115 degrees.   Small Image
 

Modifier      
12551142 Hydraulic Roller (LT4 Production Cam)      
This is an LT4 production cam 1996. The duration at .050" tappet lift (intake/exhaust) is 203/210; and maximum lift with 1.6 rocker ratio (intake/exhaust) is 476/480. Valve lash is zero/zero and lobe centerline is 115 degrees.   Small Image
 

Modifier      
12551705 Hydraulic Roller Tappet      
This hydraulic roller tappet is used on the 95-97 Corvette and Camaro. The duration at .050" tappet lift (intake/exhaust) is 201/208; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 447/459. Valve lash is zero/zero.   Small Image
 

Modifier      
12560950 LS6 "Gen 3" Production Performance Camshaft      
This camshaft is original equipment in LS6 Vortec engines. It features .525" intake and exhaust lift, 217 degree exhaust duration at .050", 207 degree intake duration at .050", and 116 degree lobe centers.   Small Image
 

Modifier      
14093643 Hydraulic Roller Tappet      
This hydraulic roller tappet is used on the 87 350ci Corvette and IROC-Z Camaro. The duration at lash point in degrees (intake/exhaust) is 294/294; duration at .050" tappet lift (intake/exhaust) is 202/206; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 403/415. Valve lash is zero/zero and lobe centerline is 115 degrees.   Small Image
 

Modifier      
14097395 Hydraulic Roller Design      
This hydraulic roller design is used on the 383 truck. The duration at lash point in degrees (intake/exhaust) is 288/308; duration at .050" tappet lift (intake/exhaust) is 196/206; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 431/451. Valve lash is zero/zero and lobe centerline is 109 degrees.   Small Image
 

Modifier      
24502476 Hydraulic Flat Tappet      
This hydraulic flat tappet is used on the 350-300 and 330 HP special performance engine P/N 12355345, and 12486014. The duration at lash point in degrees (intake/exhaust) is 320/324; duration at .050" tappet lift (intake/exhaust) is 212/222 and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 435/460. Valve lash is zero/zero and lobe centerline is 112.5 degrees.   Small Image
 

Modifier      
24502586 Hydraulic Roller (LT4 Hot Cam)      
This hydraulic roller cam is for service only for all V8 engines with roller camshafts. The duration at lash point in degrees (intake/exhaust) is 279/287; duration at .050" tappet lift (intake/exhaust) is 218/228; and maximum lift with 1.6 rocker ratio (intake/exhaust) is 525/525. Valve lash is zero/zero and lobe centerline is 112 degrees.   Small Image
Technical Notes: The LT4 camshaft P/N 24502586 was designed to be used in a number of different engines. Therefore, the following change may need to be made to allow for correct assembly of the engine: For LT1 and L98 engines 1995 and before, the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is .30+/-.01", the same as the production part. For 1996 LT1 and LT4 engines, the dowel pin is in the correct position, extending .620" from the end of the camshaft. This camshaft has a fuel pump lobe.

Modifier      
3863151 Hydraulic Flat Tappet      
This hydraulic flat tappet is used on the 65-67 Corvette and Chevy II L-79. It has excellent power and torque (ID# 3863152). The duration at lash point in degrees (intake/exhaust) is 320/320; duration at .050" tappet lift (intake/exhaust) is 221/221 and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 447/447. Valve lash is zero/zero and lobe centerline is 114 degrees.   Small Image
 

Modifier      
3896962 Hydraulic Flat Tappet      
This hydraulic flat tappet is used on the 68-81 L-46 and L-82 Corvette. The duration at lash point in degrees (intake/exhaust) is 312/312; duration at .050" tappet lift (intake/exhaust) is 222/222 and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 450/460. Valve lash is zero/zero and lobe centerline is 114 degrees.   Small Image
 

Modifier      
3965754 Mechanical Flat Tappet      
This mechanical flat tappet is a second design racing cam. It is a good short track and racing cam for 350ci and larger V8. Use with spring P/N 330585 (ID#3965751). The duration at lash point in degrees (intake/exhaust) is 318/327; duration at .050" tappet lift (intake/exhaust) is 262/273; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 488/509. Valve lash is 024/026 and lobe centerline is 112 degrees.   Small Image
 

Modifier      
3972178 Mechanical Flat Tappet      
This mechanical flat tappet is used on the 70-71 Corvette and Camaro LT-1. It is a good all around street mechanical cam (ID#3972182). The duration at lash point in degrees (intake/exhaust) is 300/312; duration at .050" tappet lift (intake/exhaust) is 242/254; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 435/455. Valve lash is 024/030 and lobe centerline is 116 degrees.   Small Image
 


Small-Block V8 Camshafts Quick Reference Chart

Number Part

Description

Crankshaft Duration at Lash Point (degrees)

Crankshaft Duration at .050" Tappet Lift (degrees)

Maximum Lift with 1.5:1 Rocker Ratio

Valve Lash

Lobe Centerlines (degrees)

Notes

12523897

Hydraulic

flat tappet

I: 294

E:294

I: 202

E: 206

I:.403"

E:.415"

Zero/Zero

115

83-86 305ci Z-28 and L-69 Camaro.

3863151

Hydraulic

flat tappet

I: 320

E: 320

I: 221

E:221

I:.447"

E:.447"

Zero/Zero

114

65-67 Corvette and Chevy II L-79 cam. Excellent power and torque. ID# 3863152.

3896962

Hydraulic

flat tappet

I: 312

E: 312

I: 222

E:222

I:.E:.460"

450"

Zero/Zero

114

69-81 L-46 and L-82 Corvette

cam. Moderate torque, excellent power. ID# 3896964.

24502476

Hydraulic

flat tappet

I: 320

E: 324

I: 212

E:222

I: 435"

E:460"

Zero/Zero

112.5

350-300 HP Special performance engine 12355345.

3972178

Mechanical

flat tappet

I: 300

E: 312

I: 242

E:254

I:.E:.455"

E: 435"

I: 024"

E: 030"

116

70-71 Corvette and Camaro LT-1 cam. Good all around street

3965754

Mechanical

flat tappet

I: 318

E: 327

I:262

E:273

I:. 488"

E:.509"

I:.024"

E:026"

112

Second design racing cam; good short track and road racing cam

14093643

Hydraulic

roller tappet

I: 294

E: 294

I:202

E:206

I:.403"

E:.415"

Zero/Zero

115

87 350ci Corvette and IROC-Z Camaro.

14097395

Hydraulic

roller design

I: 288

E: 308

I:196

E:206

I:431

E:451

Zero/Zero

109

383 Truck with 1.5 rockers.

10134334

Hydraulic

roller tappet

I: 336

E: 336

I:235

E:235

I:.480"

E:.480"

Zero/Zero

114

5.7-liter H.O. engine asm. cam. Use with spring P/N 10134358.

10185071

Hydraulic

roller tappet

I: 275

E: 280

I:208

E:221

I:474"

E:510"

Zero/Zero

112

5.7L HO 350 ZZ3 engine. Use with spring P/N 10134358.

12551705

Hydraulic

roller

NA

NA

I:201

E:208

I:.447"

E:.459"

Zero/Zero

NA

1995-97 LT1 Corvette-Camaro.

tappet

12551142

Hydraulic Roller (LT4 Production Cam)

NA

NA

I:203

E:210

1.6 Rocker

I:476

E:480

Zero/Zero

115

Production LT4 Cam 1996.

24502586

Hydraulic Roller (LT4 Hot Cam)

I:279

E:287

I:218

E:228

1.6 Rocker

I:525

E:525

Zero/Zero

112

Service only. For all V8 engines with roller camshafts. See Note #1.

12480002

Hydraulic Roller (LT4 Hot Cam Kit)

I:279

E:287

I:218

E:228

1.6 Rocker

I:525

E:525

Zero/Zero

112

Same as P/N 24502586 except it includes alum. rockers, valve springs and retainers.

12370845

Hydraulic roller design

NA

NA

I:214

E:224

I:488"

E:509"

Zero/Zero

112

Contains eccentric for mechanical fuel pump. Off-road use only.

12370846

Hydraulic roller design

NA

NA

I:222

E:230

I:509"

E:528"

Zero/Zero

112

Contains eccentric for mechanical fuel pump. Off-road use only.

12370847

Hydraulic roller design

NA

NA

I:234

E:242

I:539"

E:558

Zero/Zero

112

Contains eccentric for mechanical fuel pump. Off-road use only.

12480110

Hydraulic roller

I:286

E:300

I:226

E:236

I:525

E:525

Zero/Zero

110

LS1 ASA camshaft 1.7 Rocker ratio.

12480033

Hydraulic roller

I:279

E:287

I:219

E:228

I:525

E:525

Zero/Zero

112

LS1 Hot camshaft 1.7 Rocker ratio

Note 1: The LT4 camshaft P/N 24502586 was designed to be used in a number of different engines. Therefore, the following change may need to be made to allow for correct assembly of the engine: For LT1 and L98 engines 1995 and before, the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is .30 +/-.01" , the same as the production part. For 1996 LT1 and LT4 engines, the dowel pin is in the correct position, extending .620" from end of camshaft. This camshaft has a fuel pump lobe.

Note 2: Distributor P/N 1104067 or melonized distributor gear P/N 10456413 must be used on all crate engines with steel camshafts.

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