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COMP Cams Camshaft CB 325QnHR-12

SKU: CCA11-872-11

Engine Camshaft

CCA Camshafts...

COMP Cams Camshaft CB 325QnHR-12

SKU: CCA11-872-11

Engine Camshaft

CCA Camshafts...

A$1,022.37
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Description

Serious bracket race cam for 454c.i. engines. Needs good cylinder heads and 11.5:1 compression.

Product Overview

Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572

Product Details

Advertised Exhaust Duration:337
Advertised Intake Duration:325
Amazon ASIN:N/A
Assembly Lubricant Included:No
Basic Operating RPM Range:4,500-7200
C.A.R.B. E.O. Number:N/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?:No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:Hydraulic Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Billet Steel
Camshaft Series:Drag Race
Description:Drag Race 271/283 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:283
Exhaust Duration at .050 inch Lift:283
Exhaust Duration:337
Exhaust Valve Lift(in):0.68
Exhaust Valve Lift:0.68
Grind Number:325QNHR-12
Intake Duration @ .050 in.:271
Intake Duration at .050 Inch Lift:271
Intake Duration:325
Intake Valve Lift(in):0.680
Intake Valve Lift:0.68
Lifter Type:Hydraulic Roller
Lifters Included:No
Lobe Separation:112
Part Number:cca11-872-11
RPM Range:4500-7200
Title:Drag Race 271/283 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Usage:Strip
Valve Springs Required:Yes

Application Summary

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-14 07:49:43

Specifications

Advertised Exhaust Duration:
337
Advertised Intake Duration:
325
Amazon ASIN:
N/A
Assembly Lubricant Included:
No
Basic Operating RPM Range:
4,500-7200
C.A.R.B. E.O. Number:
N/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:
Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:
Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:
Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?:
No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:
Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason:
N/A
California Proposition 65:
WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:
Hydraulic Roller
Camshaft Gear Attachment:
3-Bolt
Camshaft Material:
Billet Steel
Camshaft Series:
Drag Race
Description:
Drag Race 271/283 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Engine Family:
Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:
283
Exhaust Duration at .050 inch Lift:
283
Exhaust Duration:
337
Exhaust Valve Lift(in):
0.68
Exhaust Valve Lift:
0.68
Grind Number:
325QNHR-12
Intake Duration @ .050 in.:
271
Intake Duration at .050 Inch Lift:
271
Intake Duration:
325
Intake Valve Lift(in):
0.680
Intake Valve Lift:
0.68
Lifter Type:
Hydraulic Roller
Lifters Included:
No
Lobe Separation:
112
Part Number:
cca11-872-11
RPM Range:
4500-7200
Title:
Drag Race 271/283 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Usage:
Strip
Valve Springs Required:
Yes

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca11-872-11
SFX Item ID 4118564
Supplier Item Code 4118564
Manufacturer SKU 11-872-11
Manufacturer UPC 36584265528
Alternative References c10, s10, 325QnHR-12

Compatibility

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

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