What type of valvetrain components are needed for this camshaft?

This is a solid roller camshaft, so it requires compatible solid roller lifters, pushrods, and valve springs. It's crucial to use components designed for solid roller applications to ensure proper function and longevity.

Does this camshaft fit my 1986 Chevrolet 350 engine?

This camshaft does not fit factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to engines starting in the mid-80s. You will need to confirm if your specific 1986 350 block is a factory roller or flat tappet design by removing the intake or timing cover.

What is the intended use for this camshaft?

This camshaft is specifically designed for Oval Track racing on asphalt, particularly for 358 cubic inch engines that utilize very light valves and operate at high RPMs. It's tuned for aggressive power delivery in those demanding conditions.

COMP Cams Oval Track Camshaft CS 304Rx-8

Name: COMP Cams Camshaft CS 304Rx-8
Brand: COMP Cams
Price: 604.45 USD
Availability: InStock

COMP Cams Camshaft CS 304Rx-8

$604.45

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 Oval Track solid roller camshaft for Chevrolet Small Blocks. Designed for high RPM asphalt track use with light valves.

Key Features

Fits many Chevrolet GEN 1 Small Block engines.
Oval Track 271/280 Solid Roller camshaft profile.
Designed for 358 cubic inch engines with very light valves.
Optimized for high RPM asphalt track applications.
Requires compatible solid roller lifters, pushrods, and valve springs.
Does not fit factory roller blocks from 1985 and newer or LS-based engines.

⚠️ 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 building a high-RPM asphalt track engine for your Chevrolet Small Block, this COMP Cams CS 304Rx-8 solid roller camshaft is a solid option. It's specifically tuned for 358 cubic inch engines with very light valves, aiming for peak performance at high RPMs. This camshaft is designed to work with a 50mm camshaft bearing setup, common in many performance builds.

This camshaft features a 271-degree intake duration and a 280-degree exhaust duration at 0.050 inch lift, with a 112-degree lobe separation angle. These specs are chosen to optimize power delivery in demanding oval track conditions. It's a solid roller design, which means it requires compatible lifters, pushrods, and valve springs for optimal performance and durability. Remember that this camshaft is intended for engines that use a flat tappet camshaft setup; it does not fit factory roller blocks from 1985 and newer, nor does it fit LS-based engines. For 1955-1957 models, ensure your block has the necessary oiling groove on the rear journal, as this specific part number does not accommodate that feature.

This camshaft fits a wide range of Chevrolet GEN 1 Small Blocks, including popular displacements like the 350, 400, and 327. It's a popular choice for builders looking to extract maximum performance from their classic Chevy engines. Always consult your engine builder or a professional mechanic to ensure this camshaft is the right choice for your specific build and to confirm compatibility with your existing valvetrain components.