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COMP Cams Camshaft Kit CS XR280HR-11

SKU: CCAK12-414-8

Engine Camshaft Kit

CCA Camshaft Kits...

COMP Cams Camshaft Kit CS XR280HR-11

SKU: CCAK12-414-8

Engine Camshaft Kit

CCA Camshaft Kits...

A$2,911.37
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Description

K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), 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:284
Advertised Intake Duration:280
Amazon ASIN:B001GEXB32
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 4x4
Description:Xtreme 4x4 230/234 Hydraulic Roller Cam K-Kit for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:234
Exhaust Duration at .050 inch Lift:234
Exhaust Duration:284
Exhaust Valve Lift(in):0.474
Exhaust Valve Lift:0.474
Gaskets Included:No
Intake Duration @ .050 in.:230
Intake Duration at .050 Inch Lift:230
Intake Duration:280
Intake Valve Lift(in):0.474
Intake Valve Lift:0.474
Kit Type:K-Kit - Complete Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Lobe Separation:111
Part Number:ccaK12-414-8
RPM Range:1000-7000
Title:Xtreme 4x4 230/234 Hydraulic Roller Cam K-Kit for Chevrolet Small Block
Usage:Street/Performance
Valve Springs Included: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 Kit

Data: v4.2 - Upd: 2026-10-14 07:49:42

Specifications

Advertised Exhaust Duration:
284
Advertised Intake Duration:
280
Amazon ASIN:
B001GEXB32
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 4x4
Description:
Xtreme 4x4 230/234 Hydraulic Roller Cam K-Kit for Chevrolet Small Block
Engine Family:
Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:
234
Exhaust Duration at .050 inch Lift:
234
Exhaust Duration:
284
Exhaust Valve Lift(in):
0.474
Exhaust Valve Lift:
0.474
Gaskets Included:
No
Intake Duration @ .050 in.:
230
Intake Duration at .050 Inch Lift:
230
Intake Duration:
280
Intake Valve Lift(in):
0.474
Intake Valve Lift:
0.474
Kit Type:
K-Kit - Complete Kit
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Lobe Separation:
111
Part Number:
ccaK12-414-8
RPM Range:
1000-7000
Title:
Xtreme 4x4 230/234 Hydraulic Roller Cam K-Kit for Chevrolet Small Block
Usage:
Street/Performance
Valve Springs Included:
Yes

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaK12-414-8
SFX Item ID 4123745
Supplier Item Code 4123745
Manufacturer SKU K12-414-8
Manufacturer UPC 36584041269
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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