Howards Performance Hydraulic Roller Dual Valve Springs - 283 lb/in - 1.437 OD RU002003M Chevrolet: Silverado 1500 99 -

Chevrolet: Silverado 1500 99 - 14 5

No tools or clamps required

Button Switch

Internal Support Spring

Howards Performance Hydraulic Roller Dual Valve Springs - 283 lb/in - 1.437 OD RU002003M Chevrolet: Silverado 1500 99 -Product Description: Valve Spring Dual Spring 283 lb in Spring Rate 1. 025 in Coil Bind 1. 437 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