Fasteners Wheel and Tire Fastener Kits

MARK WILLIAMS

GM 12 Bolt Short Pinion Yoke

$250.46

SKU: M05P 39038

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mark Williams 39038 is a 1350 series chromoly pinion yoke designed for Chevy 12 Bolt car and truck rear ends. It features 30 splines and a 1.740-inch seal surface diameter that fits all stock pinion seals. This yoke is compatible with 1350 series universal joints that are 3.625 inches wide and have a 1.188-inch cap diameter.

Constructed from 4340 chromoly, this pinion yoke offers ultimate strength and reliability. It is 1 inch shorter than the Mark Williams 39006 model but shares the same dimensional characteristics otherwise. This yoke requires 1350 U-bolts for installation.

Fitment

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Specifications

BrandMARK WILLIAMS
Part NumberM05P 39038

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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