UMI Performance 90051 Solid Motor Mounts SBC for 1974-1992 GM F-Body

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Product Specification:

SKU:UMI90051

MPN: 90051

UPC: 90051

Weight: 3.9 lb

Inventory: 2

Type: Engine Mounts

Vehicle Fitment

1974-1992 Chevrolet Camaro (All Trims, RWD, V8)
1974-1992 Pontiac Firebird (All Trims incl. Trans Am, Formula, RWD, V8)
1978-1987 Buick Regal (All Trims, RWD, V8)
1978-1987 Chevrolet El Camino (All Trims, RWD, V8)
1978-1983 Chevrolet Malibu (All Trims, RWD, V8)
1978-1988 Chevrolet Monte Carlo (All Trims, RWD, V8)
1978-1987 Pontiac Grand Prix (All Trims, RWD, V8)
1981-1988 Oldsmobile Cutlass (All Trims, RWD, V8 - see Fitment Notes)

Fitment Notes

Must be used in conjunction with factory block mount clamshells or UMI P/N 90058 clamshells (sold separately).
Centerline is 1" from cross member surface to center of hole - verify original part dimensions before ordering.
These are frame-side mounts only. Block-side clamshells are required for complete installation.
May not be compatible with Oldsmobile V8-style clamshells - verify fitment before ordering for Cutlass applications.
Also fits many other 1974 and up GM V8 applications - verify dimensions using the manufacturer's print prior to ordering.

Features

Solid steel construction eliminates factory rubber mount flex for maximum engine stability under hard acceleration.
CNC laser cut from 3/16" thick mild steel for precise dimensions and consistent fitment.
1" OD x 1/4" wall DOM steel tubing MIG welded for exceptional strength and durability.
Matches factory specifications for straightforward bolt-in installation - no cutting or modification required.
Glossy black powder coat finish for long-lasting corrosion resistance.
100% designed and manufactured in the USA at UMI's facility in Philipsburg, PA.

Specifications

Material: 3/16" thick CNC laser-cut mild steel
Tubing: 1" OD x 1/4" wall DOM steel
Weld Type: MIG welded
Finish: Gloss black powder coat
Mount Type: Solid (frame-side only)
Centerline Height: 1" from cross member surface to center of hole
Mounting Method: Bolt-in
Drivetrain: RWD, V8 applications
Manufactured: USA

Included Components

2x Solid Frame-Side Motor Mounts (left and right)

Product Description

The UMI Performance 90051 Solid Motor Mounts are frame-side replacement mounts designed for 1974-1992 GM F-Body and 1978-1988 GM G-Body V8 applications. Built from CNC laser-cut 3/16" mild steel with MIG-welded 1" OD DOM tubing, these mounts eliminate the flex and movement inherent in factory rubber units - a critical upgrade for performance and racing builds where precise engine positioning and power transfer are essential.

Installation is bolt-in and matches factory specifications, but requires the use of factory block-side clamshells or UMI's P/N 90058 clamshells (sold separately). Verify crossmember centerline dimensions and clamshell compatibility - particularly for Oldsmobile V8 applications - before ordering. Crafted entirely in Philipsburg, PA, USA, these mounts are a straightforward, high-quality solution for any SBC-powered classic GM build.