What is the benefit of the billet pushrod seat insert?

The unique machined billet pushrod seat insert offers exceptional durability. This design helps the rocker arms withstand higher spring pressures and reduces wear for a longer service life.

Are these rocker arms compatible with all valve springs and retainers?

These rocker arms are designed to work with most common diameter springs and retainers. However, it's always a good idea to verify compatibility with your specific spring and retainer setup.

Can these rocker arms be rebuilt if needed?

Yes, these Ultra Pro Magnum XD rocker arms are fully rebuildable. This feature allows for maintenance and repair, extending their usable life.

COMP Cams Rocker Arms 1.65 Ratio 7/16in Stud 1806-16

Name: COMP Cams Rockers CS 1.65 7/16in Ultra Pro
Brand: COMP Cams
Price: 680.76 USD
Availability: InStock

COMP Cams Rockers CS 1.65 7/16in Ultra Pro

$680.76

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 Ultra Pro Magnum XD rocker arms. Made from 8650 steel with a billet pushrod seat for durability. Fits many Chevy V8s.

Key Features

Fits a wide range of Chevrolet, Buick, and Cadillac vehicles with Small Block V8 engines.
Constructed from durable 8650 steel for long service life.
Features a unique machined billet pushrod seat insert for exceptional durability.
Designed to handle up to 1,000 lbs of spring pressure.
1.65 ratio rocker arms are optimized for Chevrolet 265-400 cubic inch Small Block engines.
Uses 7/16-inch studs.

⚠️ 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

Machined from durable 8650 steel, these COMP Cams Ultra Pro Magnum XD rocker arms feature a unique billet pushrod seat insert for exceptional strength. This design choice matters because it helps these rockers handle up to 1,000 lbs of spring pressure, a common requirement for performance engine builds. They are designed to work with most common spring and retainer diameters, making them a versatile choice for a wide range of Chevrolet Small Block engines, including popular models like the Camaro, Corvette, and Chevelle, as well as many Buick and Cadillac applications.

The 1.65 ratio on these stud-mount rockers is optimized for Chevrolet 265-400 cubic inch Small Block engines that use a 7/16-inch stud. COMP Cams has utilized advanced FEA and CAD development to refine the strength, stiffness, and inertia of these rockers, aiming for improved endurance in demanding applications. They are also fully rebuildable, and feature precision-sorted needle bearings and hardened roller tips. These components work together to better distribute load and reduce wear, contributing to a longer service life for your engine's valvetrain.

When rebuilding or upgrading your engine's top end, choosing well-built valvetrain components is crucial. These Ultra Pro Magnum XD rockers are a solid option for those looking for improved durability and performance from their valvetrain. They are designed to fit right and offer a significant upgrade over stock components.