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COMP Cams Camshaft Kit CB XR296H-R12

SKU: CCASK11-456-8

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CB XR296H-R12

SKU: CCASK11-456-8

Camshaft Kits

CCA Camshaft Kits...

A$2,838.09
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 242/248 HRlrSKBBC

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

Additional Information

Good for jet boat with A or B impeller in bracket racing or performance use.

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 21:15:57

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:302
Advertised Intake Duration:296
Amazon ASIN:B001GF5ECM
Assembly Lubricant Included:No
Basic Operating RPM Range:2,800-6,200
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 Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Austempered Ductile Iron
Camshaft Series:Xtreme Marine
Description:Xtreme Marine 242/248 Hydraulic Roller Cam SK-Kit 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:302
Exhaust Valve Lift(in):0.566
Exhaust Valve Lift:0.566
Gaskets Included:No
Intake Duration @ .050 in.:242
Intake Duration at .050 Inch Lift:242
Intake Duration:296
Intake Valve Lift(in):0.566
Intake Valve Lift:0.566
Kit Type:SK-Kit - Small Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Locks Included:No
Part Number:ccaSK11-456-8
Pushrods Included:No
RPM Range:2000-9000
Retainers Included:No
Timing Chain and Gears Included:Yes
Title:Xtreme Marine 242/248 Hydraulic Roller Cam SK-Kit 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 19:11:32

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU ccaSK11-456-8
SFX Item ID 4124361
Accounting SKU cca-SK11-456-8
Manufacturer SKU SK11-456-8
Manufacturer UPC 036584040736
Alternative References CCA-SK11-456-8, SK11-456-8

Cam/Lifters/Timing, Hydraulic Roller Tappet, Advertised Duration 296/302, Lift .566/.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 NumberSK11-456-8
Part TypeCamshaft Kits
Product LineCOMP Cams Xtreme Marine Cam and Lifter Kits
UPC036584040736
Cam StyleHydraulic roller, Retro-fit
Basic Operating RPM Range2,800-6,200
Camshaft UseMarine
Intake Duration at 050 inch Lift242
Exhaust Duration at 050 inch Lift248
Duration at 050 inch Lift242 int./248 exh.
Advertised Intake Duration296
Advertised Exhaust Duration302
Advertised Duration296 int./302 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.566 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.566 in.
Valve Lift with Factory Rocker Arm Ratio0.566 int./0.566 exh.
Grind NumberCB XM 296HR-12
Computer-Controlled CompatibleNo
Lifters IncludedYes
Lifter StyleHydraulic roller
Valve Springs IncludedNo
Retainers IncludedNo
Locks IncludedNo
Valve Stem Seals IncludedNo
Timing Chain and Gears IncludedYes
Timing Chain StyleDouble non-roller
Assembly Lubricant IncludedNo
Pushrods IncludedNo
Rocker Arms IncludedNo
Gaskets IncludedNo
Valve Springs RequiredYes
QuantitySold as a kit.
NotesRequires thrust button and wear plate.

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