Engines and Components Camshafts and Valvetrain

Melling

Rocker Arm

$14.77

SKU: M00L MR-850

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Melling MR-850 is a shaft-mount, non-roller rocker arm designed as a direct replacement. It features a 1.5 rocker arm ratio and is constructed from durable steel with a natural finish. This rocker arm is sold individually and is intended for the left-hand position.

Melling rocker arms meet or exceed OEM specifications, utilizing either stamped or cast materials depending on the OE design. They are manufactured using quality materials and processes, offering a budget-friendly replacement option. Melling recommends installing new rocker arms during engine rebuilds for optimal engine life and performance.

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

BrandMelling
Part NumberM00L MR-850

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.

View Full Return Policy