Howards Performance Dual Racing Valve Springs w/ Damper - 1.540" O.D. 3D MAXpider gas and alcohol compatable

gas and alcohol compatable

Part Number: 120-172

1979-1992 GMC G1500

This test occurs with minimal operator effort in the short period of time required for the engine to crank over and fire

Howards Performance Dual Racing Valve Springs w/ Damper - 1.540" O.D. 3D MAXpider gas and alcohol compatableEngineered for racing use, springs are precisely coiled and undergo precision heat treating. Sold in sets 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