What is included in this COMP Cams camshaft kit?

This kit comes with the camshaft, a set of lifters, a timing chain set, assembly lube, decals, and installation instructions. It contains the core components needed to replace your camshaft.

What kind of performance can I expect from this camshaft?

This Xtreme Marine camshaft is designed for demanding applications like river drags and bracket racing. It offers a 254° intake and 264° exhaust duration with .558" intake and .565" exhaust lift, suitable for engines with 10:1+ compression.

Is this camshaft kit compatible with all Chevrolet Big Block engines?

This kit is specifically for Chevrolet Big Block 396-454 engines that originally came with flat tappet camshafts. It fits a wide range of vehicles from 1967 through the early 1980s, but you should always verify fitment for your specific application.

COMP Cams Camshaft Kit CB XM298H-12 W/L SK11-252-4

Name: COMP Cams Camshaft Kit CB XM298H-12 W/L
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-kit-cb-xm298h-12-w-l-t14-4397188
Price: 488.44 USD
Availability: BackOrder

COMP Cams Camshaft Kit CB XM298H-12 W/L

$488.44

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

COMP Cams camshaft kit for Chevrolet Big Block 396-454 engines. Includes camshaft, lifters, timing set, and lube. Part# SK11-252-4.

Key Features

Fits Chevrolet Big Block 396-454 engines originally equipped with flat tappet camshafts.
Kit includes camshaft, lifters, timing chain set, assembly lube, decals, and instructions.
Xtreme Marine camshaft features 254° intake and 264° exhaust duration.
Camshaft lift is .558-inch on the intake and .565-inch on the exhaust.
Designed for high compression (10:1+) applications like river drags and bracket racing.
Hydraulic flat tappet design.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

When you're rebuilding the top end of your Chevrolet Big Block engine, this COMP Cams camshaft kit gives you the essential components to get the job done right. This kit is specifically designed for the Xtreme Marine series, intended for applications like river drags and bracket racing where you need strong performance. It's built for engines originally equipped with flat tappet camshafts, and it's a solid option for builds with 10:1 or higher compression ratios.

Inside this kit, you'll find the camshaft itself, a set of lifters, a timing chain set to ensure your valvetrain stays synchronized, and assembly lube to get everything started smoothly. COMP Cams is a well-known name in performance engine parts, and this kit reflects their focus on delivering parts for demanding applications. The camshaft features a 254-degree intake and 264-degree exhaust duration with .558-inch intake and .565-inch exhaust lift, designed to work well with a hydraulic flat tappet setup.

This kit is designed to fit a wide range of Chevrolet Big Block engines from 1967 through the early 1980s, including popular models like the Chevelle, Impala, and C10 trucks. Make sure to check the fitment details to confirm it's right for your specific vehicle. Remember, this part is not CARB approved and cannot be shipped to California.