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COMP Cams Camshaft Kit CB XM278H-12

SKU: CCASK11-240-4

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CB XM278H-12

SKU: CCASK11-240-4

Camshaft Kits

CCA Camshaft Kits...

A$1,042.08
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

XM 234/244 HFTSKBBC

SK-KIT - Small Kit Includes: Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals and Instructions.

Additional Information

Jet w/ A impeller, needs improved intake, likes headers.

Application Summary

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

Part Type

Engine Camshaft Kit

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.”

*SK-Kit - Small Kit Includes*
• Camshaft
• Lifters
• Timing Chain Set
• Assembly Lube
• Decals
• Instructions

Data: v4.2 - Upd: 2026-11-07 21:15:58

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Advertised Exhaust Duration:292
Advertised Intake Duration:278
Amazon ASIN:B001GF7HY0
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,000-6,200
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.
Cam Type:Hydraulic Flat Tappet
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Xtreme Marine
Description:Xtreme Marine 234/244 Hydraulic Flat Cam SK-Kit for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:237
Exhaust Duration at .050 inch Lift:237
Exhaust Duration:292
Exhaust Valve Lift(in):0.566
Exhaust Valve Lift:0.566
Gaskets Included:No
Intake Duration @ .050 in.:234
Intake Duration at .050 Inch Lift:234
Intake Duration:278
Intake Valve Lift(in):0.564
Intake Valve Lift:0.564
Kit Type:SK-Kit - Small Kit
Lifter Type:Hydraulic Flat Tappet
Lifters Included:Yes
Locks Included:No
Part Number:ccaSK11-240-4
Pushrods Included:No
RPM Range:2000-9000
Retainers Included:No
Timing Chain and Gears Included:Yes
Title:Xtreme Marine 234/244 Hydraulic Flat Cam SK-Kit for Chevrolet Big Block 396-454
Usage:Marine
Valve Springs Required:Yes
Valve Stem Seals Included:No

Product Downloads

# Document Type Download
1. Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:11:28

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU ccaSK11-240-4
SFX Item ID 4124329
Accounting SKU cca-SK11-240-4
Manufacturer SKU SK11-240-4
Manufacturer UPC 036584040583
Alternative References CCA-SK11-240-4, SK11-240-4

Cam/Lifters/Timing, Hydraulic Flat Tappet, Advertised Duration 278/292, Lift .564/.566, Chevy, Big Block, Kit

COMP Cams Xtreme marine cam and lifter kits take advantage of the newest developments in camshaft design. Their aggressive lobe design produces better throttle response and top-end horsepower than other systems with the same duration at .050 in., while delivering increased engine vacuum. These kits are available for everything from pleasure boats to race applications, so you can always have Xtreme performance on the water.

Product Attributes
BrandCOMP Cams
Manufacturer's Part NumberSK11-240-4
Part TypeCamshaft Kits
Product LineCOMP Cams Xtreme Marine Cam and Lifter Kits
UPC036584040583
Cam StyleHydraulic flat tappet
Basic Operating RPM Range2,000-6,200
Camshaft UseMarine
Camshaft Manufacturers DescriptionJet w/ A impeller, needs improved intake, likes headers.
Intake Duration at 050 inch Lift234
Exhaust Duration at 050 inch Lift237
Duration at 050 inch Lift234 int./237 exh.
Advertised Intake Duration278
Advertised Exhaust Duration292
Advertised Duration278 int./292 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.564 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.566 in.
Valve Lift with Factory Rocker Arm Ratio0.564 int./0.566 exh.
Camshaft Gear Attachment3-bolt
Computer-Controlled CompatibleNo
Lifters IncludedYes
Lifter StyleHydraulic flat tappet
Valve Springs IncludedNo
Retainers IncludedNo
Locks IncludedNo
Valve Stem Seals IncludedNo
Timing Chain and Gears IncludedYes
Assembly Lubricant IncludedYes
Pushrods IncludedNo
Rocker Arms IncludedNo
Gaskets IncludedNo
Valve Springs RequiredYes
QuantitySold as a kit.

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