What is included in this COMP Cams camshaft kit?

This kit includes the Xtreme Energy camshaft, a set of lifters, a timing chain set, assembly lube, and decals. It provides the essential components for a camshaft upgrade.

What kind of performance can I expect from this camshaft?

This camshaft is designed to deliver strong torque in the low-end and mid-range of the engine's RPM band. It also aims to provide a good, stable idle, making it suitable for street use.

Does this kit come with installation instructions?

Yes, the kit includes instructions to guide you through the installation process. It's recommended to follow these carefully, especially for the camshaft break-in procedure.

COMP Cams Camshaft Kit CB XS256S-10 SK11-674-4

Name: COMP Cams Camshaft Kit CB XS256S-10
Brand: COMP Cams
Price: 532.57 USD
Availability: InStock

COMP Cams Camshaft Kit CB XS256S-10

$532.57

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

COMP Cams Xtreme Energy camshaft kit for Chevrolet Big Block 396-454 engines. Delivers strong low-end and mid-range torque with a good idle.

Key Features

Fits Chevrolet GEN IV 396-454 Big Block engines originally equipped with flat tappet camshafts.
Xtreme Energy camshaft profile provides strong torque through the low end and mid-range.
Designed to maintain a good, stable idle.
Kit includes camshaft, lifters, timing chain set, assembly lube, and decals.
Part number SK11-674-4 from COMP Cams.

⚠️ 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

If you're looking to build a Chevrolet Big Block engine and want to improve its low-end and mid-range torque, this COMP Cams Xtreme Energy camshaft kit is a solid option. This kit is designed for Chevrolet GEN IV 396-454 Big Block engines that originally came with flat tappet camshafts, and it fits a wide range of vehicles including the Chevrolet Impala, Chevelle, and C10 pickup trucks from the late 60s through the 70s and into the early 80s.

This kit includes the camshaft itself, a set of lifters, a timing chain set, assembly lube, decals, and instructions, so you have the core components needed for the swap. The CB XS256S-10 camshaft profile is specifically tuned to provide strong torque right off idle and through the mid-range, making it great for street applications where you want good pulling power without sacrificing drivability. It's designed to maintain a good, stable idle, which is important for a comfortable driving experience.

When installing a new camshaft, it's always a good idea to refer to the manufacturer's instructions for proper break-in procedures to ensure the longevity of the new components. This kit is a comprehensive way to upgrade your engine's performance and drivability.