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COMP Cams Camshaft Kit CB XS290S-10

SKU: CCAK11-679-5

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CB XS290S-10

SKU: CCAK11-679-5

Camshaft Kits

CCA Camshaft Kits...

A$1,951.18
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

COMP Cams Camshaft Kit CB XS290S-10

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.

Additional Information

Pro Street/bracket, needs good intake, headers, gear and 3500+ stall.

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.”

*K-Kit - Complete Kit Includes*
• Camshaft
• Lifters
• Valve Springs
• Retainers
• Valve Locks
• Valve Stem Seals
• Assembly Lube
• Decals
• Instructions

Additional Application Notes
• w/ U Engine VIN;
• w/ U Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Mech Flat Tappet;2800-7200rpm;Adv.Dur. 290 Int./298 Exh.;V.Lift .598 Int./Exh.;Lobe 110 deg.;Incl.Cam/Lifter/V.Sprng/Ret./Lock/Seal/Timing Set;
• Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Mech Flat Tappet;2800-7200rpm;Adv.Dur. 290 Int./298 Exh.;V.Lift .598 Int./Exh.;Lobe 110 deg.;Incl.Cam/Lifter/V.Sprng/Ret./Lock/Seal/Timing Set;
• w/ N Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Mech Flat Tappet;2800-7200rpm;Adv.Dur. 290 Int./298 Exh.;V.Lift .598 Int./Exh.;Lobe 110 deg.;Incl.Cam/Lifter/V.Sprng/Ret./Lock/Seal/Timing Set;
• w/ N Engine VIN;

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-07 21:17:24

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:298
Advertised Intake Duration:290
Amazon ASIN:B001R9H9W0
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,800-7200
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:Solid Flat Tappet
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 252/260 Solid Flat Cam K-Kit for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:260
Exhaust Duration at .050 inch Lift:260
Exhaust Duration:298
Exhaust Valve Lift(in):0.598
Exhaust Valve Lift:0.598
Gaskets Included:No
Intake Duration @ .050 in.:252
Intake Duration at .050 Inch Lift:252
Intake Duration:290
Intake Valve Lift(in):0.598
Intake Valve Lift:0.598
Kit Type:K-Kit - Complete Kit
Lifter Type:Solid Flat Tappet
Lifters Included:Yes
Part Number:ccaK11-679-5
RPM Range:2000-9000
Title:Xtreme Energy 252/260 Solid Flat Cam K-Kit for Chevrolet Big Block 396-454
Usage:Street/Performance
Valve Springs Included:Yes

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 19:10:01

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU ccaK11-679-5
SFX Item ID 4123686
Accounting SKU cca-K11-679-5
Manufacturer SKU K11-679-5
Manufacturer UPC 036584080954
Alternative References CCA-K11-679-5, K11-679-5

Cam, Lifters, Valvetrain, Mechanical Flat Tappet, Advertised Duration 290/298, Lift .598/.598, Chevy, 396-454

COMP Cams Xtreme Energy cam and lifter kits are built to take advantage of the latest cam technology and provide maximum performance. Whether your use is off-roading, towing, or street performance, there are Xtreme Energy options available for you. By using an aggressive lobe profile, they provide better throttle response and more top-end horsepower than equivalent kits from other manufacturers, while delivering increased engine vacuum. Order the model designed for your vehicle and engine application.

Product Attributes
BrandCOMP Cams
Manufacturer's Part NumberK11-679-5
Part TypeCamshaft Kits
Product LineCOMP Cams Xtreme Energy Cam and Lifter Kits
UPC036584080954
Cam StyleSolid flat tappet
Basic Operating RPM Range2,800-7,200
Camshaft UseStreet/Strip
Intake Duration at 050 inch Lift252
Exhaust Duration at 050 inch Lift260
Duration at 050 inch Lift252 int./260 exh.
Advertised Intake Duration290
Advertised Exhaust Duration298
Advertised Duration290 int./298 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.598 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.598 in.
Valve Lift with Factory Rocker Arm Ratio0.598 int./0.598 exh.
Intake Valve Lash0.016 in.
Exhaust Valve Lash0.016 in.
Grind NumberCB XS290S-10
Computer-Controlled CompatibleNo
Lifters IncludedYes
Lifter StyleMechanical flat tappet
Valve Springs IncludedYes
Outside Diameter of Outer Spring (in.)1.509 in.
Retainers IncludedYes
Locks IncludedYes
Valve Stem Seals IncludedYes
Timing Chain and Gears IncludedYes
Timing Chain StyleDouble non-roller
Assembly Lubricant IncludedYes
Pushrods IncludedNo
Rocker Arms IncludedNo
Gaskets IncludedNo
Valve Springs RequiredNo
QuantitySold as a kit.

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