Mazda RX7 86-92 FC Model Number : MR-CDK-MRX86TS Built in Camber plates are a huge plus. These are beautifully built and even allow the bottom mount to be adjusted without messing with shock travel unlike cheaper brands. The increased spring rates, stiffer shock setting and heavy-duty piston construction all add up to a suspension system that outperforms most suspensions that retail for almost twice the price. - Spring Rates: 12kg Front and 10kg Rear - 32 Levels of Adjustable Damper Strength - Pillow Ball Upper Mounts w/ Camber Adjustment. - Rubber Dust Covers. - Wide-Range Adjustable Ride Height - Competition Spring Rates - Single-Cylinder Design - Aluminum Brackets 32 Levels of Adjustment: 1-8: Suggested for track use. 9-16: Suggested for mountain/aggressive use. 17-32: Suggested for common street use. - All coilover damper kits come with 1 year manufacture-defect warranty.