What is the benefit of a roller tip rocker arm?

A roller tip rocker arm reduces friction where the rocker arm contacts the valve stem. This can lead to more consistent valve lift and potentially smoother operation of your engine's valve train.

What does the 1.6 ratio mean for my engine?

The 1.6 ratio means that for every 1 inch of rocker arm movement at the pushrod, the valve will open 1.6 inches. This effectively increases valve lift beyond what the camshaft alone would provide, which can result in improved engine performance.

Do these rocker arms come with new studs and nuts?

This set includes the rocker arms themselves. It is designed to work with existing 3/8-inch rocker arm studs. You may need to source new studs and nuts separately if your current ones are worn or if you are performing a full valve train overhaul.

COMP Cams Magnum Roller Rocker Arms 1.6 Ratio 3/8in Stud 141

Name: COMP Cams Rocker Arms Chevy SB 1.6 3/8in
Brand: COMP Cams
SKU: comp-cams-comp-cams-rocker-arms-chevy-sb-1-6-3-8in-t14-4390581
Price: 210.61 USD
Availability: BackOrder

COMP Cams Rocker Arms Chevy SB 1.6 3/8in

$210.61

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 Roller Rocker Arms for Chevy Small Block V8s. 1.6 ratio, 3/8in stud. Handles up to 350 lbs open spring pressure.

Key Features

Fits a wide range of Chevy Small Block V8 engines (265-400ci) and V6 engines (200-262ci).
Features a 1.6 ratio for improved valve lift and potential horsepower gains.
Built from strong 8620 chromemoly steel to resist flexing.
Roller tip design reduces friction at the valve tip.
Can handle up to 350 lbs of open spring pressure.
Designed for engines using a 3/8-inch rocker arm stud.

⚠️ 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 looking to get more out of your street-driven Chevy Small Block V8, these Magnum Roller Rocker Arms from COMP Cams are a solid option. They're designed to work with engines from 265 to 400 cubic inches, and also fit certain V6 applications. By using a 1.6 ratio and a roller tip, these rockers help ensure you're getting the most effective valve lift from your camshaft, which can translate to a noticeable increase in horsepower over stock rockers.

These rockers are built from 8620 chromemoly steel, a strong material that resists flexing even under the demands of performance street use. They can handle up to 350 lbs of open spring pressure, making them suitable for many performance camshafts. The roller tip design also helps reduce friction at the valve tip, contributing to smoother operation and potentially longer valve train life. COMP Cams stamps their logo on the underside, so you know you're getting the genuine article.

This set is designed for engines with a 3/8-inch stud size and is a popular choice for builds like the Camaro, Firebird, and various C/K series trucks from the late 80s and 90s. Make sure to check your existing setup for the 3/8-inch stud size before ordering.