Whiteline Front Upper and Lower Control Arm Bushing Kit is made for the 1975-1986 Chevrolet C10 (C/K). Order it as part number W56421. The kit contains 8 bushings, 8 tubes, and grease. Placement: front.
Every time the wheel moves, the control arm swings on its bushings. When they are soft or worn, the arm shifts under load, the alignment changes as the car moves, and steering and braking feel less precise. A stiffer bushing cuts that unwanted movement while still letting the arm pivot freely. Polyurethane resists deflection far better than the soft rubber it replaces.
Expect a difficult job of about 3 hours. Get the car aligned once it is back on the ground. Other Whiteline parts we list for the Chevrolet C10: Body Mount Bushing Kit, Transmission Mount Bushing Kit, and 26.9mm Front Sway Bar Mount Bushing Kit.
Features
Specifications
| Part Number | W56421 |
| Part Name | Control Arm Bushings |
| Vehicle | 1975-1986 Chevrolet C10 |
| Chassis Code | C/K |
| Bushing 1 Inner Diameter | 26 mm |
| Bushing 1 Length | 63 mm |
| Bushing 1 Outer Diameter | 53 mm |
| Bushing 2 Inner Diameter | 19.5 mm |
| Bushing 2 Length | 49 mm |
| Bushing 2 Outer Diameter | 40.4 mm |
| Bushing Color | Black |
| Bushing Material | Polyurethane |
| Bushing Quantity | 4 |
| Grade Type | Regular |
| Installation Difficulty | Difficult |
| Installation Time (hrs) | 3 |
| Kit Contents | 8 Bushings, 8 Tubes, Grease |
| Material | Polyurethane |
| Mounting Hardware Included | No |
| Outside Diameter | 53 mm |
| Vehicle Placement | Front |
| Wheel Alignment Required | Yes |
| Notes | – |


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