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COMP Cams Camshaft CS 305Hxl-6

SKU: CCA12-866-9

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS 305Hxl-6

SKU: CCA12-866-9

Camshafts

CCA Camshafts...

A$955.27
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

COMP Cams drag race camshafts are offered in four styles: hydraulic flat tappet, hydraulic roller tappet, mechanical roller tappet, and mechanical flat tappet. These cams are ideal for the performance demands of the dragstrip, as well as street, strip, Circle Track, and other applications. Over a hundred models are available; choose the camshaft designed for your vehicle and engine family.

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:313
Advertised Intake Duration:305
Amazon ASIN:B005H89X3A
Assembly Lubricant Included:No
Basic Operating RPM Range:5,000-8,000
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:313
Exhaust Valve Lift(in):0.66
Exhaust Valve Lift:0.66
Grind Number:305HXLR-6
Intake Duration @ .050 in.:276
Intake Duration at .050 Inch Lift:276
Intake Duration:305
Intake Valve Lift(in):0.819
Intake Valve Lift:0.819
Lifter Type:Solid Roller
Lifters Included:No
Lobe Separation:106
Part Number:cca12-866-9
RPM Range:5000-13000
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
12-866-9
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Drag Race Camshafts
Product Attributes - UPC
036584206668
Product Attributes - Cam Style
Solid roller, Retro-fit
Product Attributes - Camshaft Use
Drag race
Product Attributes - Basic Operating RPM Range
5,000-8,000
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
305
Product Attributes - Advertised Exhaust Duration
313
Product Attributes - Advertised Duration
305 int./313 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.819 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.660 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.819 int./0.660 exh.
Product Attributes - Lobe Separation (degrees)
106
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
305HXLR-6
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca12-866-9
SFX Item ID 4118878
Supplier Item Code 4118878
Manufacturer SKU 12-866-9
Manufacturer UPC 36584206668
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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