Exhaust Headers, Manifolds and Components

Hooker

LS Swap Engine Mount Brackets

$220.95

SKU: HEH 12643HKR

In Stock
In Stock
Ships by Aug 2
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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Hooker 12643HKR engine mount brackets are specifically designed to simplify the process of installing a GM LS motor into a 1978-1988 A/G-Body chassis. The kit includes all necessary mounting hardware for a straightforward bolt-on installation. Constructed from durable steel with a zinc-plated finish for corrosion resistance, these mounts provide a fine-tuned fit for the intended application. They are designed to work with the Holley LS swap oil pan 302-2 and accessory drive brackets, maintaining an engineered 3 to 3.5-degree engine and transmission inclination angle crucial for proper driveline alignment. The system is designed to replicate the stock small-block engine placement when used in conjunction with the Hooker 12644HKR transmission crossmember. Installation requires careful attention to the provided instructions. While TH350 transmissions can typically reuse the factory crossmember, the slots will need to be elongated forward. It is recommended to thoroughly read all provided instructions before beginning the installation process to ensure a successful swap.

MIA's Description

The Hooker 12643HKR is a set of engine mount brackets designed for LS swap projects. These steel, zinc-plated brackets facilitate the installation of a GM LS motor into a 1978-88 A/G-Body vehicle.

Fitment

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Specifications

BrandHooker
Part NumberHEH 12643HKR
CategoryExhaust

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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