COMP Cams Dual Valve Spring - 1.546 in OD (Set of 16) 12704 making is ideal for single-carb

making is ideal for single-carb all-out drag racing vehicles

3/8 Hose Barb Outlet

and over-voltage protection

Pontiac: Firebird 67 - 75 6

COMP Cams Dual Valve Spring - 1.546 in OD (Set of 16) 12704 making is ideal for single-carbProduct Description: Valve Spring Dual Spring 637. 5 lb in Spring Rate 1. 100 in Coil Bind 1. 546 in OD Set of 16 For 30 years, the COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens on a dyno or in a computer model, if that