UMI Performance
UMI Performance 90058 Engine Side Solid Engine Mount Clamshells SBC/BBC
UMI Performance 90058 Engine Side Solid Engine Mount Clamshells SBC/BBC
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Key Features: Performance Benefits: Important Considerations: These heavy duty engine mounts, made from 3/16in thick pickled mild steel plate and CNC laser cut for precise tolerances, are a reliable and durable choice for your GM G-body car.
Key Features
- Precision Fit: These mounts ensure the engine is positioned exactly in the factory location
- Durable Construction: Made from tough 3/16in laser cut brackets and Grade 8 hardware, these mounts can handle high horsepower levels
- Particularly beneficial in applications with tight packaging, such as large header primaries or turbos
- They may increase Noise, Vibration, and Harshness (NVH)
Fits These Vehicles
- Fits 1978-1981 Buick Century
- Fits 1978-1987 Buick Regal
- Fits 1978-1987 Chevrolet El Camino
- Fits 1978-1983 Chevrolet Malibu
- Fits 1978-1988 Chevrolet Monte Carlo
- Fits 1978-1987 GMC Caballero
- Fits 1978-1980 Oldsmobile Cutlass Salon
- Fits 1985-1987 Oldsmobile Cutlass Salon
- Fits 1978-1987 Oldsmobile Cutlass Supreme
- Fits 1982-1986 Pontiac Bonneville
- Fits 1978-1981 Pontiac Grand LeMans
- Fits 1978-1987 Pontiac Grand Prix
- Fits 1978-1981 Pontiac LeMans
For small block (SBC) and big block (BBC) Chevrolet engines.
Engine, transmission and body-style requirements are stated in the title. Confirm them against your vehicle before ordering.
UMI Performance warrants UMI Performance products to the original purchaser for two (2) years from the original date of purchase against defects in materials and workmanship. The warranty does not cover misuse, abuse, improper installation, exceeding the design limits of the part, or parts that have been altered, and it is not transferable. Normal wear items such as bearings and bushings, non-UMI manufactured parts, and incidental charges such as towing, labor and installation are excluded.
Specifications
- Brand: UMI Performance
- Manufacturer Part Number: 90058
- Type: Engine Mount
- Manufacturer Warranty: 2 years (original purchaser)
- Condition: New
Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Manufacturer's Warranty — UMI Performance
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Manufacturer's Warranty — UMI Performance
UMI Performance products are covered by the manufacturer's two (2) year warranty from the original date of purchase for the original purchaser against defects in materials and workmanship. The warranty is not transferable and is void if the part is altered. It does not cover misuse, abuse, neglect or accident, exceeding the part's design limits, improper installation or damage in shipping. Normal wear items such as bearings and bushings and non-UMI manufactured parts are not covered, and incidental charges such as towing, labor and installation are excluded.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by UMI Performance. Contact us if you need help with a warranty claim.

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