UMI Performance 90071 SBC Polyurethane Engine Mount Kit for 1978-1988 GM G-Body

Regular price: $112.95
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Sale price: $112.95

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Product Specification:

SKU:UMI90071

MPN: 90071

UPC: 90071

Weight: 8.9 lb

Type: Engine Mounts

Vehicle Fitment

1978-1988 GM G-Body (Buick Regal, Chevy El Camino, Chevrolet Malibu, Monte Carlo; GMC Caballero; Olds Cutlass; Pontiac Bonneville & Grand Prix) with Chevy small-block V8 engines

Features

Direct bolt-in replacement for factory rubber/clamshell motor mounts
Polyurethane bushings for enhanced torque resistance and reduced NVH
3/16" steel bracket construction with black powder-coat finish
Heavy-duty design for high-performance street and mild track use
Works with standard small-block SBC engine applications
Includes both engine-side and chassis-side mount locations
Grade 8 mounting hardware included, torque spec 40 ft-lb
Made in the USA with U.S.-sourced materials and CNC fabrication

Specifications

Material: 3/16" mild steel brackets, polyurethane bushings
Finish: black powder coat
Bushing type: poly with zinc-plated anti-crush sleeve
Mount placement: left and right chassis and engine sides
Torque spec: 40 ft-lb per hardware
Compatibility: Chevy small-block V8 (SBC), GM G-Body 1978-1988
Noise/Vibration/Harshness: reduced vs factory rubber, less than solid steel
Emissions/legal: no modification to emissions systems

Included Components

1x left engine-side mount bracket
1x right engine-side mount bracket
2x chassis-side mount brackets
4x polyurethane bushings with anti-crush sleeves
Grade-8 mounting hardware set (bolts, washers, nuts)

Product Description

The UMI Performance 90071 SBC Polyurethane Engine Mount Kit is precision-engineered to replace worn factory rubber or clamshell mounts on GM G-Body vehicles from 1978 through 1988. Designed for Chevy small-block engines, this kit features durable polyurethane bushings and 3/16" steel brackets with a black powder-coat finish for both enhanced strength and corrosion resistance. Installation is a direct bolt-in procedure using the included grade-8 hardware and torque specification of 40 ft-lb.

This heavy-duty yet NVH-conscious solution delivers improved engine stability under aggressive driving without the harshness of solid mounts, making it ideal for high-performance street builds or mild track use. Completely Made in the USA using U.S.-sourced materials, the 90071 kit strikes the perfect balance between performance and daily-driving comfort for classic G-Body musclecar owners.