Swift Springs Standard Conventional Tight Helix Spring - OD: 5" / Length: 12" Spring Rate (lbs/inch):250 Every kit is extensively tested

Every kit is extensively tested on the ATS chassis and refined until it balances ride quality with performance — the reason ATS coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

Part Number M-24-RM Part Name RM Series Coilovers Vehicle 2015-2019 Hyundai Sonata Drivetrain FWD Chassis Code LF Damping Adjustment 1-Way (30 levels) Ride-Height Adjustable Yes Spring Rate - Front 6 kg/mm Spring Rate - Rear 5 kg/mm Spring Size - Front 62-200-6K Spring Size - Rear 62-85-230-5K-V Swift Springs - Front 62-203-X Camber Plates - Front Included Camber Plates - Rear Not Applicable Suspension Design - Front True Coilover Suspension Design - Rear Divorced Vehicle Fitment

1994 Toyota Supra MK4 (JZA80)

2019 Mazda 2

Swift Springs Standard Conventional Tight Helix Spring - OD: 5" / Length: 12" Spring Rate (lbs/inch):250 Every kit is extensively testedSwift Springs Standard Conventional Springs in 5" OD and 12" length are purpose built for competitive oval track, stock car, and circle track racing applications. These 5" OD Swift race springs are manufactured in Japan from proprietary H5S. TW high tensile alloy steel, delivering measurably better traction, weight transfer, and tire temperature consistency compared to standard silicone chrome springs. The tight helix winding pattern delivers precise