Hypercoils 13" Rear Coil Spring - 5" O.D. - 125 lb. Dayco Blade holder adjusts from 1"

Blade holder adjusts from 1" to 5"

GM Fullsize SUV / Truck 2007-21

Water Injection System

52 Inch Lap Belt

Hypercoils 13" Rear Coil Spring - 5" O.D. - 125 lb. Dayco Blade holder adjusts from 1"Hypercoils 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