

Specifications
- Brand
- COMP Cams
- Part #
- CL11-239-3
- UPC
- 036584040842

COMP Cams Cam & Lifter Kit CB X4 270H-1
$380.47
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COMP Cams Xtreme 4x4 hydraulic flat tappet cam and lifter kit for Chevrolet Big Block 396-454 engines. Improves performance with updated camshaft specs.
Key Features
- Fits Chevrolet Big Block 396-454 engines originally equipped with flat tappet camshafts.
- Includes camshaft, lifters, assembly lube, decals, and instructions.
- Features a 226/234 duration hydraulic flat tappet camshaft profile.
- Recommended for use with improved intake manifold, headers, and 3.55-3.90 gears.
- Requires a 2000+ stall torque converter for best performance.
- Offers improved performance for classic Chevrolet vehicles.
⚠️ 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
Product Details
This is the COMP Cams Xtreme 4x4 270H-1 hydraulic flat tappet camshaft and lifter kit, designed for Chevrolet Big Block 396-454 engines originally equipped with flat tappet camshafts. It's a popular choice for those looking to improve the performance of their classic Chevy truck or muscle car, fitting a wide range of vehicles like the Chevrolet Impala, Chevelle, and C10 Pickup.
This kit includes the camshaft, lifters, assembly lube, decals, and instructions, giving you the essential components to get the job done. The 226/234 duration specs on this camshaft are best paired with an improved intake manifold, headers, and a gear ratio between 3.55 and 3.90, along with a 2000+ stall torque converter for optimal power delivery. It's a well-built kit that offers a notable change in your engine's powerband.
Specifications
- Brand
- COMP Cams
- Manufacturer Part #
- CL11-239-3
- UPC
- 036584040842
Frequently Asked Questions
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COMP Cams Cam & Lifter Kit CB X4 270H-1
