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and utilize an external MAP Sensor
Chevy V8s with 1996 and later Vortec (L31) cast iron or the new Edelbrock E-Tec aluminum heads
The ceramic-metallic finish is covered by a 5-year factory warranty
They are a complete self-contained system that can be easily installed under the hood
Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 225 lb. RS003C0115W and utilize an external MAPHypercoils 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