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Ships within 48 hours · Estimated delivery Nov 2 - Nov 7
Injector Off Time provided in the Holley EFI software
GM A / G-Body 1964-88
2004-2006 Ford E-250
31-3/8 x 15-3/4 in
TH350 / 375B / M38 1968-81
Hypercoils 12" Coil-Over Spring - 2-1/2" I.D. - 185 lb. 91629029 Injector Off Time provided inHypercoils 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
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