Exterior Components› Body Panels and Components

Goodmark/ProEFX

TORQUE BOX LH

$101.62

SKU: G00Z GMK302051664L

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

Moderate — 2–4 hours

Description

The Goodmark GMK302051664L is a driver side torque box designed for 1964-1966 Ford Mustang coupe and fastback models, as well as Mercury Cougar models. Made from steel, this frame stiffener attaches to the inner frame rail to support the outer frame rail. It is a crucial component for floor repair and full frame-off restorations.

Fitment

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Specifications

BrandGoodmark/ProEFX
Part NumberG00Z GMK302051664L

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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