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COMP Cams Camshaft Kit CB XR280 R-10

SKU: CCAK11-771-8

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CB XR280 R-10

SKU: CCAK11-771-8

Camshaft Kits

CCA Camshaft Kits...

A$3,466.34
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.
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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

COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation. All cam kits are fully tested and manufactured to the strictest standards. Each kit’s components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.” *K-Kit - Complete Kit Includes* * Camshaft * Lifters * Valve Springs * Retainers * Valve Locks * Valve Stem Seals * Timing Chain Set * Assembly Lube * Decals * Instructions

Product Details

Advertised Exhaust Duration:286
Advertised Intake Duration:280
Amazon ASIN:B001R9HABU
Assembly Lubricant Included:No
Basic Operating RPM Range:2,500-6,500
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:Austempered Ductile Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 242/248 Solid Roller Cam K-Kit for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:248
Exhaust Duration at .050 inch Lift:248
Exhaust Duration:286
Exhaust Valve Lift(in):0.653
Exhaust Valve Lift:0.653
Gaskets Included:No
Intake Duration @ .050 in.:242
Intake Duration at .050 Inch Lift:242
Intake Duration:280
Intake Valve Lift(in):0.646
Intake Valve Lift:0.646
Kit Type:K-Kit - Complete Kit
Lifter Type:Solid Roller
Lifters Included:Yes
Lobe Separation:110
Part Number:ccaK11-771-8
RPM Range:2000-9000
Title:Xtreme Energy 242/248 Solid Roller Cam K-Kit for Chevrolet Big Block 396-454
Usage:Street/Performance
Valve Springs Included:Yes

Application Summary

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

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-10-13 17:41:07

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
K11-771-8
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Xtreme Energy Cam and Lifter Kits
Product Attributes - UPC
036584064060
Product Attributes - Cam Style
Solid roller, Retro-fit
Product Attributes - Basic Operating RPM Range
2,500-6,500
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Intake Duration at 050 inch Lift
242
Product Attributes - Exhaust Duration at 050 inch Lift
248
Product Attributes - Duration at 050 inch Lift
242 int./248 exh.
Product Attributes - Advertised Intake Duration
280
Product Attributes - Advertised Exhaust Duration
286
Product Attributes - Advertised Duration
280 int./286 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.646 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.653 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.646 int./0.653 exh.
Product Attributes - Lobe Separation (degrees)
110
Product Attributes - Intake Valve Lash
0.016 in.
Product Attributes - Exhaust Valve Lash
0.018 in.
Product Attributes - Grind Number
CB XR280 R-10
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Mechanical roller
Product Attributes - Valve Springs Included
Yes
Product Attributes - Outside Diameter of Outer Spring (in.)
1.535 in.
Product Attributes - Retainers Included
Yes
Product Attributes - Locks Included
Yes
Product Attributes - Valve Stem Seals Included
Yes
Product Attributes - Timing Chain and Gears Included
Yes
Product Attributes - Timing Chain Style
Double non-roller
Product Attributes - Assembly Lubricant Included
No
Product Attributes - Pushrods Included
No
Product Attributes - Rocker Arms Included
No
Product Attributes - Gaskets Included
No
Product Attributes - Valve Springs Required
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Requires thrust button and wear plate.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaK11-771-8
SFX Item ID 4123696
Supplier Item Code 4123696
Manufacturer SKU K11-771-8
Manufacturer UPC 36584064060
Alternative References c10, s10, XR280, R-10

Compatibility

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

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