Howards Dual Valve Spring - 399 lb/in Spring Rate - 1.080" Coil Bind - 1.470" OD - (Set of 16) MT140BK Be sure to check out

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Howards Dual Valve Spring - 399 lb/in Spring Rate - 1.080" Coil Bind - 1.470" OD - (Set of 16) MT140BK Be sure to check outProduct Description: Valve Spring Dual Spring 399 lb in Spring Rate 1. 080 in Coil Bind 1. 470 in OD Locks Chromoly Retainers The name Howards Cams has been synonymous with high performance camshafts since the 1950s. Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced racers in Circle