The Zero/Sports Winning R Coilovers were designed with “circuit racing” in mind. The suspension is significantly more rigid and offers an incredible amount of improvement to the car’s stability. The Winning R Coilovers allow for 4 settings for the driver to choose from. The front spring rates are 10kg/mm and the rear springs are 8kg/mm. Overall height of the car is lowered by 40mm all around. Aluminum front & rear camber plates included as well as height adjustment tool.