Howards Cams Valve Spring Kit - Single Spring/Damper - 425 lb./in. Rate - 1.150" Coil Bind - 1.265" OD - Steel Cups/Locks/Retainers 3552024-17 Caps feature a built-in O-ring

Caps feature a built-in O-ring that allows the cap to swivel on the bolt head and keeps it from falling off

For Heavy Loads Driving Downhill

This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower

Claw and HOLLEY carburetors

then back across the bottom half

Howards Cams Valve Spring Kit - Single Spring/Damper - 425 lb./in. Rate - 1.150" Coil Bind - 1.265" OD - Steel Cups/Locks/Retainers 3552024-17 Caps feature a built-in O-ringProduct Description: Valve Spring Kit Single Spring Damper 425 lb in Rate 1. 150 in Coil Bind 1. 265 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