Howards Dual Valve Spring - 399 lb/in Spring Rate - 1.080" Coil Bind - 1.470" OD - (Set of 16) BR10004 1973-1987 Pontiac Grand Prix

1973-1987 Pontiac Grand Prix

Chevy Corvette 1968-74

you can have the front end setting adjustments your modified needs

No provision for exhaust heated chokes and no exhaust crossover

It provides an in and out port for installing an oil cooler in almost any application

Howards Dual Valve Spring - 399 lb/in Spring Rate - 1.080" Coil Bind - 1.470" OD - (Set of 16) BR10004 1973-1987 Pontiac Grand PrixProduct Description: Valve Spring Dual Spring 399 lb in Spring Rate 1. 080 in Coil Bind 1. 470 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 Circle