Engines and Components Cylinder Heads and Components

Manley Performance

Manley WASHERS-1/2 HEAD BOLT EA

$16.19

SKU: M004 42127-1

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Manley 42127-1 is a head bolt washer kit designed for specific automotive applications. This kit features washers with a 0.875-inch outer diameter, a 1/2-inch inner diameter, and a thickness of 0.105 inches.

The Manley Head Bolt Washer is crafted to ensure reliability and durability under high-stress conditions. Its specifications are tailored for optimal fitment. This product is specifically marketed for Chrysler, Pontiac, and 390-427 Ford engines.

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

BrandManley Performance
Part NumberM004 42127-1

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