General description maXpeedingrods T6 lowering coil-over kit is designed for Mini Cooper models R50 and R53 (2001-2006). This performance suspension system features adjustable rebound damping and separate height adjustment without altering preload. With developed damping oil and upgraded racing springs, it enhances both the performance and appearance of your vehicle. All coil-overs are assembled in a dust-free factory, ensuring high quality and longevity. Technical specifications Quantity: 2 pieces front + 2 pieces rear + 2 Stainless Steel Wrenches Adjustable Height: Lowers from 1" to 3" Damping: 24 levels of rebound damping adjustable Top mounts: Pillow Ball Front Front Spring Rate: 6 kg/mm (336 lbs/in) Rear Spring Rate: 6 kg/mm (336 lbs/in) Shock type: Twin tube Spring Preload: 7-10 mm Warranty: 2 years Compatibility and accessories This coilover kit is compatible with the following models: Mini R50, R53 Cooper (06/2001-09/2006) FWD Mini R50, R53 Cooper S (06/2001-09/2006) FWD Mini