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UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint design is a pivot ball lined with a greaseable delrin race designed to offer 28 degrees of total unrestricted movement, more than adequate for a bind free, low friction operation. The Roto-Joint design improves performance over the factory rubber and aftermarket polyurethane bushings by allowing the suspension to articulate correctly, and provide precision handling. The installed UMI Roto-Joint allows rear end free movement when high handling, auto cross or road race is a concern while still being a 100% streetable setup. The installed delrin race, which lines the spherical ball, absorbs shock and road noise for a quiet and smooth operation on any street or track driven vehicle. This control arm set features Roto-Joints on both sides of the control arms. This is designed for maximum performance and suspension travel. Both control arms feature the correct provisions for adding a stock or aftermarket sway bar. Sway bar holes are reinforced with a 0.120" wall thickness steel sleeve that TIG welded and sanded into place. All Roto-Joints are greaseable and low maintenance making an excellent street setup for your cruiser or race car!
4040 - 1964-1972 A-Body Rear Lower Control Arms- Roto-Joint/Roto-Joint
Rear Control Arms
| Part Number | 4040-B |
|---|---|
| Part Type | Suspension Control Arm |
| HS Code | 8708807000 |
| Country of Origin | US |
| Package | Qty | Weight | Dimensions | GTIN |
|---|---|---|---|---|
| Box | 1 | 12.0 lb | L 26.0 x W 6.0 x H 6.0 Inches |
| Adjustable | No |
|---|---|
| Bushing Material | Delrin |
| Bushings Included | Yes |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Color | Black |
| Construction | Boxed |
| Finish | Black Powdercoated |
| Grade Type | Performance |
| Grease Fitting Included | Yes |
| Material | Steel |
| Mounting Hardware Included | No |
| Mounting Method | Bolt On |
| Pre-Greased | No |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1970-1972 | Buick | GS | |
| 1968-1969 | Buick | GS 350 | |
| 1968-1969 | Buick | GS 400 | |
| 1970-1972 | Buick | GS 455 | |
| 1965-1967 | Buick | Gran Sport | |
| 1964-1972 | Buick | Skylark | |
| 1964-1969 | Buick | Special | |
| 1964-1972 | Buick | Sportwagon | |
| 1964-1972 | Chevrolet | Chevelle | |
| 1964-1972 | Chevrolet | El Camino | |
| 1964-1967 | Chevrolet | Malibu | |
| 1970-1972 | Chevrolet | Monte Carlo | |
| 1971-1972 | GMC | Sprint | |
| 1964-1971 | Oldsmobile | 442 | |
| 1964-1972 | Oldsmobile | Cutlass | |
| 1964-1972 | Oldsmobile | Vista Cruiser | |
| 1964-1972 | Pontiac | GTO | |
| 1969-1972 | Pontiac | Grand Prix | |
| 1964-1972 | Pontiac | LeMans | |
| 1964-1970 | Pontiac | Tempest |