# UMI Performance 73-77 GM A-Body 78-88 G-Body Rear Upper Control Arms Adjustable UMI’s Roto-Joint adjustable rear upper control arms are a bulletproof addition to your street or pro-touring car. UMI’s Roto-Joint upper control arms are suitable for street, strip or corner carving. The premium UMI built spherical joint drastically minimizes suspension deflection for a crisp handling setup, easy pinion angle tuning and less wheel hop. These on car adjustable upper control arms adjust easily while staying bolted to the car and are designed to handle virtually any application. The Roto-Joints combined with UMI’s in house designed and machined CrMo adjuster equal ultimate strength and performance. These heavy duty arms feature ¼” thick CNC laser cut mounting pads and a mix of TIG and MIG welding. These simple bolt in replacements install in 1-2 hours and are designed to work on all rear end housings. Launch harder and turn faster with UMI’s ultimate arms! This Part Fits: Year Make Model Submodel 1973-1977 Buick Century Base 1975-1977 Buick Century Custom 1976 Buick Century Indianapolis 500 Pace Car 1973-1975 Buick Century Luxus 1975-1977 Buick Century Special 1973-1987 Buick Regal Base 1988 Buick Regal Custom 1982-1983 Buick Regal Estate Wagon 1987 Buick Regal GNX 1984-1987 Buick Regal Grand National 1978-1988 Buick Regal Limited 1982 Buick Regal Limited Turbo 1978-1982 Buick Regal Sport 1976-1977 Buick Regal SR 1983-1986 Buick Regal T-Type 1973-1977 Chevrolet Chevelle Malibu 1974-1977 Chevrolet Chevelle Malibu Classic 1974-1976 Chevrolet Chevelle Malibu Classic Estate 1973 Chevrolet Chevelle Malibu Estate 1973-1977 Chevrolet El Camino Base 1975-1977 Chevrolet El Camino Classic 1977 Chevrolet El Camino Conquista 1973-1974 Chevrolet El Camino Custom 1973-1977 Chevrolet El Camino SS 1978-1981 Chevrolet Malibu Base 1978-1983 Chevrolet Malibu Classic 1978-1980 Chevrolet Malibu Classic Estate 1978-1981 Chevrolet Malibu Classic Landau 1979-1980 Chevrolet Malibu Classic Sport 1979-1980 Chevrolet Malibu Estate 1979 Chevrolet Malibu Landau 1979 Chevrolet Malibu Police 1979-1980 Chevrolet Malibu Sport 1973-1974,1979,1981-1988 Chevrolet Monte Carlo Base 1983 Chevrolet Monte Carlo CL 1973-1974,1976,1978-1981 Chevrolet Monte Carlo Landau 1986-1988 Chevrolet Monte Carlo LS 1973,1975-1977 Chevrolet Monte Carlo S 1978,1980 Chevrolet Monte Carlo Sport 1983-1988 Chevrolet Monte Carlo SS 1975,1977 Oldsmobile Cutlass 442 1973-1975,1980 Oldsmobile Cutlass Base 1980-1981 Oldsmobile Cutlass Brougham 1977 Oldsmobile Cutlass Colonnade 1976-1977 Oldsmobile Cutlass Colonnade S 1980-1981 Oldsmobile Cutlass LS 1973-1977 Oldsmobile Cutlass S 1976-1979 Oldsmobile Cutlass Vista Cruiser 1979 Oldsmobile Cutlass Vista Cruiser Brougham 1973-1975 Pontiac Grand Am Base 1973-1974,1976-1988 Pontiac Grand Prix Base 1981-1987 Pontiac Grand Prix Brougham 1984-1988 Pontiac Grand Prix LE 1975,1977-1983 Pontiac Grand Prix LJ 1988 Pontiac Grand Prix SE 1975-1980 Pontiac Grand Prix SJ 1988 Pontiac LeMans Aerocoupe 1988 Pontiac LeMans Aerocoupe YL 1973-1981,1988 Pontiac LeMans Base 1973-1974 Pontiac LeMans Luxury 1973-1975,1977-1981 Pontiac LeMans Safari 1974 Pontiac LeMans Safari Luxury 1988 Pontiac LeMans SE 1973-1977 Pontiac LeMans Sport 1988 Pontiac LeMans Value Leader ## Details - **Price:** 435.99 CAD - **Vendor:** UMI Performance - **Type:** Control Arms ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 435.99 CAD | In stock | ## Images - Photo - Primary - User 4 - User 5 - User 2 - User 1 - User 3 --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/umi-performance-73-77-gm-a-body-78-88-g-body-rear-upper-control-arms-adjustable) > Updated: 2026-07-01