What is included in this COMP Cams camshaft kit?

This SK-Kit includes the camshaft, lifters, a timing chain set, assembly lube, decals, and installation instructions. It provides the essential components for a camshaft upgrade.

What kind of idle can I expect with this camshaft?

This camshaft is designed to produce a radical idle characteristic. This means you will hear a noticeable lope at idle, which is often desired for performance and racing applications.

What supporting modifications are recommended for this camshaft?

COMP Cams recommends using a torque converter with a 3500+ RPM stall speed, a compression ratio of 10.5:1, and a rear gear ratio of 4.10 or lower to achieve optimal performance with this camshaft.

COMP Cams Camshaft Kit A8 305H SK10-211-4

Name: COMP Cams Camshaft Kit A8 305H
Brand: COMP Cams
Price: 495.45 USD
Availability: InStock

COMP Cams Camshaft Kit A8 305H

$495.45

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 Magnum 253/253 Hydraulic Flat Cam Kit for AMC 290-401 engines. Ideal for Pro Street or mild bracket racing.

Key Features

Fits AMC 290, 304, 343, 360, 390 and 401 engines.
Magnum 253/253 Hydraulic Flat Cam profile.
Includes camshaft, lifters, timing chain set, assembly lube, decals, and instructions.
Recommended for Pro Street or mild bracket racing applications.
Suggests 3500+ stall converter, 10.5:1 compression, and 4.10 or lower gears.
Produces a radical idle characteristic.

⚠️ 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

This COMP Cams Magnum camshaft kit features a 253/253 duration profile, designed for AMC 290-401 cubic inch engines. It's a well-built option for those looking to build a Pro Street machine or a mild bracket racing setup. The kit includes the camshaft, lifters, a timing chain set, assembly lube, decals, and instructions, so you have the core components needed to get started on your engine build.

To get the most out of this camshaft, COMP Cams recommends a 3500+ RPM stall torque converter, 10.5:1 compression ratio, and a 4.10 gear ratio or lower. Expect a noticeable, radical idle characteristic that lets everyone know your engine means business. This kit is a solid choice for AMC V8 owners looking to significantly change their engine's performance profile.

This kit fits a wide range of AMC and Jeep vehicles from the late 1960s through the early 1990s, including popular models like the Jeep CJ series, Jeep Cherokee, and AMC Javelin. Always refer to the manufacturer's instructions for proper installation and break-in procedures.