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COMP Cams Camshaft CB 313QnHR-8

SKU: CCA11-870-11

Engine Camshaft

CCA Camshafts...

COMP Cams Camshaft CB 313QnHR-8

SKU: CCA11-870-11

Engine Camshaft

CCA Camshafts...

A$1,044.60
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Description

Strong bracket race cam for 396c.i.. Needs 10.5:1+ compression and 4000 stall.

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:325
Advertised Intake Duration:313
Amazon ASIN:N/A
Assembly Lubricant Included:No
Basic Operating RPM Range:3,800-6,800
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 260/270 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:270
Exhaust Duration at .050 inch Lift:270
Exhaust Duration:325
Exhaust Valve Lift(in):0.659
Exhaust Valve Lift:0.659
Grind Number:313QNHR-8
Intake Duration @ .050 in.:260
Intake Duration at .050 Inch Lift:260
Intake Duration:313
Intake Valve Lift(in):0.677
Intake Valve Lift:0.676
Lifter Type:Hydraulic Roller
Lifters Included:No
Lobe Separation:108
Part Number:cca11-870-11
RPM Range:3800-6800
Title:Drag Race 260/270 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:
325
Advertised Intake Duration:
313
Amazon ASIN:
N/A
Assembly Lubricant Included:
No
Basic Operating RPM Range:
3,800-6,800
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 260/270 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Engine Family:
Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:
270
Exhaust Duration at .050 inch Lift:
270
Exhaust Duration:
325
Exhaust Valve Lift(in):
0.659
Exhaust Valve Lift:
0.659
Grind Number:
313QNHR-8
Intake Duration @ .050 in.:
260
Intake Duration at .050 Inch Lift:
260
Intake Duration:
313
Intake Valve Lift(in):
0.677
Intake Valve Lift:
0.676
Lifter Type:
Hydraulic Roller
Lifters Included:
No
Lobe Separation:
108
Part Number:
cca11-870-11
RPM Range:
3800-6800
Title:
Drag Race 260/270 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Usage:
Strip
Valve Springs Required:
Yes

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca11-870-11
SFX Item ID 4118562
Supplier Item Code 4118562
Manufacturer SKU 11-870-11
Manufacturer UPC 36584265504
Alternative References c10, s10, CPC11-870-11, 313QnHR-8

Compatibility

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

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