What exactly is included in this COMP Cams kit?

This kit comes with the Xtreme 4x4 CB X4 278H-1 camshaft, a set of hydraulic flat tappet lifters, a tube of assembly lube, and COMP Cams decals. You'll have the core components needed to begin the installation.

What other parts do I need to install this camshaft for best results?

To get the most out of this camshaft's top-end power potential, COMP Cams recommends pairing it with an improved intake manifold, performance headers, and appropriate rear-end gears. A torque converter with a stall speed of 2500 RPM or higher is also suggested.

Does this camshaft fit my specific Chevrolet engine?

This kit is designed for Chevrolet Big Block engines (396-454 cubic inches) that originally came with flat tappet camshafts. It fits many vehicles from 1967 through 1996, but it's always best to verify compatibility with your specific year, make, and model.

COMP Cams Camshaft and Lifter Kit CL11-243-4

Name: COMP Cams Cam & Lifter Kit CB X4 278H-1
Brand: COMP Cams
SKU: comp-cams-comp-cams-cam-lifter-kit-cb-x4-278h-1-t14-4395496
Price: 433.91 USD
Availability: BackOrder

COMP Cams Cam & Lifter Kit CB X4 278H-1

$433.91

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 Cam & Lifter Kit CB X4 278H-1. Includes camshaft, lifters, lube, and decals for improved top-end power.

Key Features

Fits Chevrolet Big Block 396-454 engines originally equipped with flat tappet camshafts.
Kit includes camshaft, lifters, assembly lube, and decals.
Designed for good top-end power.
Recommended for use with 9.5:1 compression and 2500+ RPM stall converters.
Requires upgraded intake, headers, and gears for optimal performance.

⚠️ 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 looking to get more out of your Chevrolet Big Block engine, this COMP Cams Xtreme 4x4 Cam and Lifter Kit is a solid option. This kit includes the camshaft itself, a set of lifters, assembly lube to get everything started right, and decals for your engine bay. It's designed to give you good top-end power, but to really make it sing, you'll want to pair it with a good intake, headers, and appropriate rear-end gears.

This kit is built for performance, and COMP Cams is a well-known name in the camshaft world. For this particular camshaft, the 278H-1, you'll see the best results when used with about 9.5:1 compression and a torque converter with a stall speed of 2500 RPM or higher. It's a well-built kit that's designed to wake up your engine's breathing and deliver that improved power band you're after.

This camshaft and lifter kit fits a wide range of Chevrolet Big Block engines originally equipped with flat tappet camshafts, including popular models like the Chevrolet Impala, Chevelle, and C10 pickups from the late 60s through the early 80s. Make sure to check the full fitment list to confirm it's right for your specific vehicle.