Wheels and Tires Wheels

MARK WILLIAMS

Glide Trans Coupler

$185.50

SKU: M05P 40800

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Mark Williams transmission coupler is a 27-spline component designed for Powerglide or TH350 transmissions. It is constructed from hardened 4140 aircraft alloy steel and measures 3 7/8" in length. This coupler is intended for racing use only and is not street legal.

Fitment

Fitment Guaranteed

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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

BrandMARK WILLIAMS
Part NumberM05P 40800

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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