What Pontiac V8 engines does this kit fit?

This kit is specifically designed for Pontiac 326, 400, 428, and 455 cubic inch V8 engines. It covers a broad range of model years from the late 1950s to the early 1980s.

Does this kit include everything needed for installation?

The kit includes the Magnum rocker arms and matching Magnum pushrods. While it provides the core valvetrain components, you may need additional items like gaskets or assembly lube depending on your specific engine build.

What is the ratio of the included rocker arms?

The rocker arms included in this kit are COMP Cams Magnum rockers with a 1.52 ratio. This ratio is designed to increase valve lift compared to stock components.

COMP Cams Magnum Rocker Arm and Pushrod Kit 1.52 Ratio RPM14

Name: COMP Cams Rocker Arm/Pushrod Kit P Mag
Brand: COMP Cams
Price: 418.83 USD
Availability: InStock

COMP Cams Rocker Arm/Pushrod Kit P Mag

$418.83

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 Rocker Arm/Pushrod Kit for Pontiac 326-455 V8. Includes 1.52 ratio Magnum rockers and 9.130" pushrods for a matched set.

Key Features

Fits a wide range of Pontiac 326-455 V8 engines, including models like the Firebird, GTO, and Grand Prix.
Includes a set of 1.52 ratio Magnum rocker arms.
Comes with 9.130" long Magnum pushrods for proper geometry.
All components are matched and designed to work together as a kit.
COMP Cams is a well-known brand for engine components.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

Starting with a 1.52 ratio on the Magnum rocker arms, this kit from COMP Cams is designed to give your Pontiac V8 engine a solid upgrade. It bundles together a set of their Magnum rocker arms with matching Magnum pushrods, so you know all the components are designed to work together right out of the box. This takes the guesswork out of selecting parts for your engine rebuild or performance enhancement.

This kit is built for Pontiac 326 through 455 cubic inch V8 engines, covering a wide range of popular models like the Firebird, GTO, Grand Prix, and LeMans from the late 50s through the early 80s. The included pushrods measure 9.130 inches long, ensuring proper geometry with the Magnum rockers for consistent valve lift and timing. COMP Cams is known for well-built engine components, and this matched set is a popular choice for those looking for improved valvetrain performance without having to piece together individual parts.

Having a matched set like this can make installation smoother, as you're not trying to figure out compatibility between different brands or series of parts. It’s a convenient way to ensure your valvetrain is set up correctly for reliable operation and a noticeable difference in how your engine performs.