Howards Performance Dual Racing Valve Springs w/ Damper - 1.540" O.D. H760C31S 3000 / 7000 RPM

3000 / 7000 RPM

ALL BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics

7 gpm at 90 psi

This is common on circle track 23 ° high-port

Comes with all necessary hardware and the threads are Heli-coiled

Howards Performance Dual Racing Valve Springs w/ Damper - 1.540" O.D. H760C31S 3000 / 7000 RPMEngineered 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