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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

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

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. 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 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
Lobe Separation:112
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

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 17:39:55

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
SK11-240-4
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Xtreme Marine Cam and Lifter Kits
Product Attributes - UPC
036584040583
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Basic Operating RPM Range
2,000-6,200
Product Attributes - Camshaft Use
Marine
Product Attributes - Camshaft Manufacturers Description
Jet w/ A impeller, needs improved intake, likes headers.
Product Attributes - Intake Duration at 050 inch Lift
234
Product Attributes - Exhaust Duration at 050 inch Lift
237
Product Attributes - Duration at 050 inch Lift
234 int./237 exh.
Product Attributes - Advertised Intake Duration
278
Product Attributes - Advertised Exhaust Duration
292
Product Attributes - Advertised Duration
278 int./292 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.564 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.566 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.564 int./0.566 exh.
Product Attributes - Lobe Separation (degrees)
112
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Hydraulic flat tappet
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
Yes
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.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaSK11-240-4
SFX Item ID 4124329
Supplier Item Code 4124329
Manufacturer SKU SK11-240-4
Manufacturer UPC 36584040583
Alternative References c10, s10, XM278H-12

Compatibility

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

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