Howards 1.514 Dual Valve Springs 4101BK 10 AN Hose Barb to

10 AN Hose Barb to 10 AN Female

1983 Chevrolet S10 Blazer CID 350 GAS RWD

8 AN Male Adapters

140 gph Free Flow

3200 rpm governor spring extends engine rev range by 700 rpm

Howards 1.514 Dual Valve Springs 4101BK 10 AN Hose Barb toProduct Description: Valve Spring Dual Spring 360 lb in Spring Rate 1. 150 in Coil Bind 1. 514 in OD Set of 16 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 Track, Drag