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COMP Cams Camshaft CS 313R-6

SKU: CCA12-801-9

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS 313R-6

SKU: CCA12-801-9

Camshafts

CCA Camshafts...

A$1,224.56
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.

Product Overview

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

Product Details

Advertised Exhaust Duration:322
Advertised Intake Duration:313
Amazon ASIN:B000P5G6GC
Assembly Lubricant Included:No
Basic Operating RPM Range:4,500-7500
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:Solid Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Billet Steel
Camshaft Series:Drag Race
Description:Drag Race 276/284 Solid Roller Cam for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:284
Exhaust Duration at .050 inch Lift:284
Exhaust Duration:322-3
Exhaust Valve Lift(in):0.63
Exhaust Valve Lift:0.63
Grind Number:313R-6
Intake Duration @ .050 in.:276
Intake Duration at .050 Inch Lift:276
Intake Duration:313-6
Intake Valve Lift(in):0.660
Intake Valve Lift:0.66
Lifter Type:Solid Roller
Lifters Included:No
Lobe Separation:106
Part Number:cca12-801-9
RPM Range:4000-13000
Title:Drag Race 276/284 Solid Roller Cam for Chevrolet Small Block
Usage:Strip
Valve Springs Required:Yes

Application Summary

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-13 17:49:21

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
12-801-9
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Drag Race Camshafts
Product Attributes - UPC
036584033714
Product Attributes - Cam Style
Solid roller, Retro-fit
Product Attributes - Camshaft Use
Drag race
Product Attributes - Basic Operating RPM Range
4,500-7,500
Product Attributes - Intake Duration at 050 inch Lift
276
Product Attributes - Exhaust Duration at 050 inch Lift
284
Product Attributes - Duration at 050 inch Lift
276 int./284 exh.
Product Attributes - Advertised Intake Duration
313
Product Attributes - Advertised Exhaust Duration
322
Product Attributes - Advertised Duration
313 int./322 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.660 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.630 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.660 int./0.630 exh.
Product Attributes - Lobe Separation (degrees)
106
Product Attributes - Intake Valve Lash
0.026 in.
Product Attributes - Exhaust Valve Lash
0.028 in.
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
CS 313R-6
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Requires upgraded gear, thrust button, and wear plate.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca12-801-9
SFX Item ID 4118843
Supplier Item Code 4118843
Manufacturer SKU 12-801-9
Manufacturer UPC 36584033714
Alternative References l46, l48, l65, lm1, lt-1, l82

Compatibility

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

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