Howards 1.250 Valve Spring Kit Single w/Damper Shop Equipment 2-Piece Iron Rotor

2-Piece Iron Rotor

2004-2011 Ford F-350 Super Duty

1/8 in NPT Female x 1/8 in NPT Female x 1/8 in NPT Female

Optimize use of your engine's power band and improve vehicle run performance and driver gear changes with a rapid response

Howards 1.250 Valve Spring Kit Single w/Damper Shop Equipment 2-Piece Iron RotorProduct Description: Valve Spring Kit Single Spring Damper 411 lb in Rate 1. 160 in Coil Bind 1. 250 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