Engines and Components› Camshafts and Valvetrain

Proform

OLDS 350 ROLLER-ROCKERS

$343.52

SKU: P022 66860C

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Proform 66860C is a set of 16 Super Street Aluminum Roller Rocker Arms with a 1.6 ratio and 7/16" stud, designed for Oldsmobile V8 engines. They reduce internal friction, unleash horsepower, and extend valve train component life.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandProform
Part NumberP022 66860C

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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