Bolt-In Rear Coilover Kit for 1978-1988 Chevy Monte Carlo, Buick Regal & Pontiac Grand Prix [150 lb/in, Street]

Name: Bolt-In Rear Coilover Kit for 1978-1988 Chevy Monte Carlo, Buick Regal & Pontiac Grand Prix [150 lb/in, Street]
Brand: UMI PERFORMANCE
SKU: 236-3049-150
Price: 1009.99 USD
Availability: InStock

^$1,009⁹⁹

Ships on 11/24/2026

Lowest Price Guarantee

Rear Coil-Over Conversion Kits

Bolt-In Rear Coilover Conversion Kit

1978-1988 Chevy Monte Carlo, Buick Regal & Pontiac Grand Prix

12 in. 150 lb/in Springs (Street)

Adjustable Shock Height

Adjustable Coilover Shocks, Hardware Included

This bolt-in kit converts the rear to coilovers using 150 lb/in springs set up for street use.

UMI Performance 3049-150 Coilover Shock Conversion Kit Features:

Fits 1978-1988 Chevy Monte Carlo/Malibu/El Camino, Buick Regal/Grand National, Oldsmobile Cutlass, Pontiac Grand Prix/LeMans
12 in. 150 lb/in springs
Adjustable coilover shocks
2-3 in. lowering range
Bolt-on, hardware included
Black powdercoat brackets

The UMI Performance G-Body Rear Coil-Over Shock Kits are designed, manufactured and tested in the USA using US materials. With three coilover spring options available these kits allow you to transform your 1978-1988 GM G-Body car into a street, drag race or autocross terror. There are also kits that include rear control arm relocation brackets for additional adjustability. All kits bolt into existing mounting points allowing you to return your car to the stock configuration at any time. UMI Performance G-Body Rear Coil-Over Shock Kits include; powder coated laser cut 3/16 inch steel brackets, Viking 19-way adjustable shocks, 2-1/2 inch coil-over springs, all necessary hardware and detailed instructions.

Features:

Brackets manufactured entirely from 3/16" Made In USA mild steel
Laser cut for consistency and a precise fit
Powder coated black for a long lasting finish
Viking Warrior double adjustable shocks offer 19 compression and 19 rebound adjustments
3 spring rate options depending upon application
100% Bolt in design
Designed, tested and manufactured in the USA

Part TypeCoilover Shock Conversion Kit

Product LineUMI Performance G-Body Rear Coil-Over Shock Kits

BrandUMI PERFORMANCE

Part CategoryPerformance Parts

Part FitmentDirect Fit

Vendor Part Number3049-150

Package Qty1

Package TypeEA