What material are these rocker arms made from?

These COMP Cams Ultra Pro Magnum XD rocker arms are constructed from durable 8650 steel. This material is chosen for its strength and ability to withstand the stresses of engine operation, offering improved longevity compared to lesser alternatives.

Are these rocker arms rebuildable?

Yes, these Ultra Pro Magnum XD rocker arms are designed to be fully rebuildable. This means you can replace wear components like the needle bearings if needed, extending their service life even further.

What size stud do these rocker arms use?

This specific set of COMP Cams rocker arms uses a 7/16-inch stud size. It's important to ensure your cylinder heads are drilled for 7/16-inch studs for proper fitment.

COMP Cams Ultra Pro Magnum XD Rocker Arms 1806-8

Name: COMP Cams Rockers CS 1.65 7/16in Ultra Pro
Brand: COMP Cams
Price: 353.63 USD
Availability: InStock

COMP Cams Rockers CS 1.65 7/16in Ultra Pro

$353.63

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COMP Cams Ultra Pro Magnum XD rocker arms, set of 8, 1.65 ratio, 7/16" stud. Built from 8650 steel for durability.

Key Features

Fits a wide range of Chevrolet, Buick, and Cadillac V8 engines.
Constructed from durable 8650 steel for extended service life.
Features a unique machined billet pushrod seat insert for exceptional durability.
Includes precision-sorted needle bearings and hardened roller tips to reduce wear.
Designed to work with most common spring and retainer diameters.
Set of 8 rocker arms with a 1.65 ratio and 7/16-inch stud size.

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Will this fit your vehicle?

Product Details

When you're rebuilding the top end of your engine, especially for performance builds or just to get more life out of a classic V8, a good set of rocker arms is crucial. These COMP Cams Ultra Pro Magnum XD rocker arms are a solid option for a wide range of Chevrolet, Buick, and Cadillac V8 engines. They're designed to handle the demands of performance driving and offer improved durability over stock components.

These rockers are well-built from 8650 steel, which is known for its strength and resistance to wear. They feature a unique machined billet pushrod seat insert for added durability, and the set includes precision-sorted needle bearings and hardened roller tips. This design helps distribute loads more effectively, reducing wear and extending the service life of the rocker arms. They're also designed to work with most common spring and retainer diameters, making them a versatile choice for many engine builds.

This set includes 8 rocker arms with a 1.65 ratio and a 7/16-inch stud size, fitting many popular V8 applications from the 1950s through the 1990s. If you're looking to upgrade your valvetrain for better performance and longevity, these are a well-made choice.