Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 350 lb. Fire Suppression System 1800 / 6500 RPM

1800 / 6500 RPM

2002-2009 GMC Yukon

Wet & Dry Sump Application

Duck-Foot Pick-Up And Powder Coated Steel Fill Plate With Billet Aluminum Twist Cap

Hypercoils 4" Coil-Over Spring - 2-1/2" I.D. - 350 lb. Fire Suppression System 1800 / 6500 RPMHypercoils are manufactured from the highest quality chrome silicone steel and high tensile chrome silicone steel available in the world. The material used in producing Hypercoils undergoes two separate magnaflux inspections. Once before manufacture and again after coiling. These inspections insure the wire is free from surface imperfections which, if gone undetected could lead to spring failure. The life of a suspension coil is directly related to