Hypercoils 13" Rear Coil Spring - 5" O.D. - 185 lb. 2070131 Keith Dorton

Keith Dorton

3" to the rear for forward traction

1978-1979 Mercury Zephyr

0 self-learning ECU

Race Proven Patented Delta Flow Technology

Hypercoils 13" Rear Coil Spring - 5" O.D. - 185 lb. 2070131 Keith DortonHypercoils 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