Swift Spec-R Springs 10+ / 07-09 MAZDA MAZDASPEED 3 BL3 BK3 4Z906R

Swift Spec-R Springs 10+ / 07-09 MAZDA MAZDASPEED 3 BL3 BK3 4Z906R BL3  Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 4.5 4.5 -1.2 -1.1    BK3 Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 4.5 4.5 -1.0 -0.6    Spec-r springsBuilt for track duty, swift spec-r springs are designed to the upper limits of the oem shock valving. Spec-R springs are track tested and tuned for optimum performance, but they are also comfortable enough for a daily driver. Swift Springs keeps the quality ride you get from the showroom, and adds improved handling and lower ride height for driving enthusiasts and style minded drivers who demand only the best.From HPDE events to SCCA competition, Swift Spec-R Sport Springs are made for the track enthusiast looking to take their vehicle to the next level.Swift Spec-R Sport Springs were engineered with 3 characteristics in mind. 1. Modified ride height compared to Sport Springs to maximize optimal sus