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COMP Cams Cam & Lifter Kit CS XR276HR-1

SKU: CCACL12-418-8

Camshaft Kits

CCA Cam & Lifter Kits...

COMP Cams Cam & Lifter Kit CS XR276HR-1

SKU: CCACL12-418-8

Camshaft Kits

CCA Cam & Lifter Kits...

A$2,652.79
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Description

IMPORTANT NOTICE: Requires thrust button and wear plate. Must use bronze tip fuel pump pushrod when using high-pressure or high-volume pump. Stock springs cannot be used.

CL-KIT - Cam and Lifter Kit Includes: Camshaft, Lifters, Assembly Lube, Decals and Instructions.

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:282
Advertised Intake Duration:276
Amazon ASIN:B001GENSLC
Assembly Lubricant Included:No
Basic Operating RPM Range:1,800-5,800
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:Austempered Ductile Iron
Camshaft Series:Xtreme Marine
Description:Xtreme Marine 224/230 Hydraulic Roller Cam and Lifter Kit Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:230
Exhaust Duration at .050 inch Lift:230
Exhaust Duration:282
Exhaust Valve Lift(in):0.51
Exhaust Valve Lift:0.51
Gaskets Included:No
Intake Duration @ .050 in.:224
Intake Duration at .050 Inch Lift:224
Intake Duration:276
Intake Valve Lift(in):0.503
Intake Valve Lift:0.503
Kit Type:CL-Kit - Cam and Lifter Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Lobe Separation:112
Locks Included:No
Part Number:ccaCL12-418-8
RPM Range:1000-7000
Retainers Included:No
Timing Chain and Gears Included:No
Title:Xtreme Marine 224/230 Hydraulic Roller Cam and Lifter Kit Chevrolet Small Block
Usage:OEM
Valve Springs Required:Yes
Valve Stem Seals Included:No

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 and Lifter Kit

Data: v4.2 - Upd: 2026-10-13 17:42:44

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
CL12-418-8
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Xtreme Marine Retrofit Cam and Lifter Kits
Product Attributes - UPC
036584041610
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Basic Operating RPM Range
1,800-5,800
Product Attributes - Camshaft Use
Marine
Product Attributes - Camshaft Manufacturers Description
Good for jet with a impeller. Strong mid-range power. Needs good exhaust
Product Attributes - Intake Duration at 050 inch Lift
224
Product Attributes - Exhaust Duration at 050 inch Lift
230
Product Attributes - Duration at 050 inch Lift
224 int./230 exh.
Product Attributes - Advertised Intake Duration
276
Product Attributes - Advertised Exhaust Duration
282
Product Attributes - Advertised Duration
276 int./282 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.503 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.510 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.503 int./0.510 exh.
Product Attributes - Lobe Separation (degrees)
112
Product Attributes - Grind Number
XM276HR
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Hydraulic roller
Product Attributes - Valve Springs Included
No
Product Attributes - Retainers Included
No
Product Attributes - Locks Included
No
Product Attributes - Valve Stem Seals Included
No
Product Attributes - Timing Chain and Gears Included
No
Product Attributes - Assembly Lubricant Included
Yes
Product Attributes - Pushrods Included
No
Product Attributes - Rocker Arms Included
No
Product Attributes - Gaskets Included
No
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Requires thrust button and wear plate. Must use bronze tip fuel pump pushrod when using high-pressure or high-volume pump. Stock springs cannot be used.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaCL12-418-8
SFX Item ID 4123047
Supplier Item Code 4123047
Manufacturer SKU CL12-418-8
Manufacturer UPC 36584041610
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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