This page covers the Whiteline Front Upper Control Arm Bushing Kit for the 2005 Mazda RX-8 Shinka. The listing names the Shinka trim. Whiteline”s note for this fit: Adds 0.5 degrees Camber. Placement: front. Whiteline part number: KCA421. The chassis code on the listing is SE3P. You receive 4 bushings and 4 tubes.
Camber is the sideways lean of the wheel when viewed from the front. An offset control arm bushing places the pivot slightly off-center, which shifts the wheel”s camber by a small, fixed amount without replacing the arm. On a lowered car that is often enough to bring the tires back toward an even footprint.
Installation is rated moderate, with about 3 hours of work listed. Plan on a wheel alignment afterward. Other Whiteline parts we list for the RX-8: Adjustable Rear Sway Bar Link, Adjustable Front Sway Bar Link, and Front and Rear Sway Bar Kit.
Features
Specifications
| Part Number | KCA421 |
| Part Name | Control Arm Bushing |
| Vehicle | 2005 Mazda RX-8 Shinka |
| Chassis Code | SE3P |
| Bushing 1 Inner Diameter | 12.5 mm |
| Bushing 1 Outer Diameter | 33.1 mm |
| Bushing Quantity | 4 Bushings |
| Grade Type | Performance |
| Inside Diameter | 10.2 mm |
| Installation Difficulty | Moderate |
| Installation Time (hrs) | 3 |
| Kit Contents | 4 Bushings, 4 Tubes |
| Material | Polyurethane |
| Mounting Hardware Included | No |
| Outside Diameter | 33.1 mm |
| Vehicle Placement | Front |
| Wheel Alignment Required | Yes |
| Notes | Adds 0.5Degree Camber |


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