What is included in the COMP Cams CL21-221-4 kit?

This kit includes the COMP Cams XE256H-1 camshaft, a set of hydraulic flat tappet lifters, assembly lube, installation decals, and detailed instructions for proper installation.

What kind of performance improvements can I expect with this camshaft kit?

This kit is designed to increase torque in the low and mid-range RPMs, giving your engine stronger pulling power. It also aims to maintain a good, stable idle for everyday drivability.

Does this camshaft kit require any special break-in procedure?

Yes, hydraulic flat tappet camshafts require a specific break-in procedure to ensure proper lubrication and prevent premature wear. Always follow the manufacturer's included instructions carefully for the break-in process.

COMP Cams Cam & Lifter Kit CRB XE256H-1 CL21-221-4

Name: COMP Cams Cam & Lifter Kit CRB XE256H-1
Brand: COMP Cams
Price: 423.58 USD
Availability: InStock

COMP Cams Cam & Lifter Kit CRB XE256H-1

$423.58

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 CRB XE256H-1. Boosts low-end and mid-range torque for Chrysler B/RB engines.

Key Features

Fits Chrysler B/RB 383, 400, 413, 426 Wedge and 440 engines.
Includes camshaft, lifters, assembly lube, decals, and instructions.
Provides strong torque through the low end and mid-range.
Offers a good idle quality.
Features 212 degrees intake and 218 degrees exhaust duration at .050 inch lift.
Has .488 inch intake and .491 inch exhaust lift.

⚠️ 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 open this box, you'll find a COMP Cams Xtreme Energy XE256H-1 camshaft, a set of hydraulic flat tappet lifters, assembly lube, decals, and installation instructions. This kit is designed to give your Chrysler B or RB series engine a strong boost in torque through the low and mid-range RPMs, while still maintaining a good idle. It's a popular choice for drivers looking for improved pulling power without sacrificing everyday drivability.

The XE256H-1 camshaft features a 212-degree intake and 218-degree exhaust duration at .050 inch lift, with a .488-inch intake and .491-inch exhaust lift. These specifications are carefully chosen to work well with the factory heads and intake on many Chrysler B/RB engines, including the 383, 400, 413, 426 Wedge, and 440 cubic inch V8s. COMP Cams is known for well-built valvetrain components, and this kit is no exception, offering a solid option for those rebuilding or upgrading their engine.

This kit fits a wide range of Chrysler, Dodge, and Plymouth vehicles from the late 1950s through the late 1970s. It's a great way to wake up the performance of classic Mopar big blocks, whether you're working on a Charger, Challenger, or a pickup truck. Remember to consult the included instructions for proper installation and break-in procedures.