
The H&R Street Performance coilover kit for 2004–2009 Mazda3 (BK) pairs custom-valved dampers with progressive-rate springs to sharpen handling without sacrificing comfort. Fully threaded shock bodies provide height adjustment for tuning stance and lowering the center of gravity. The kit offers a balance of ride quality and adjustable control for drivers wanting refined street performance and flexible setup options.
H&R 04-09 Mazda Mazda3 BK Street Perf. Coil Over