Howards Beehive Valve Spring - 412 lb/in Rate - 1.150 in Coil Bind - 1.035 in / 1.280 in OD Ultra Sport Duckbill 1974-1979 Pontiac Firebird Formula CID

1974-1979 Pontiac Firebird Formula CID 400 Naturally Aspirated GAS

65 in Rectangular Port

Flywheel and Flexplate bolts play an important role in the performance and safety of race cars and street machines alike

52 3/8 Ult

Howards Beehive Valve Spring - 412 lb/in Rate - 1.150 in Coil Bind - 1.035 in / 1.280 in OD Ultra Sport Duckbill 1974-1979 Pontiac Firebird Formula CIDProduct Description: Valve Spring Kit Ovate Beehive Spring 412 lb in Spring Rate 1. 150 in Coil Bind 1. 035 in 1. 280 in OD Locks Chromoly Retainers Seals From the humble beginnings of Howards to an industry leader today, Howards Cams has not forgotten the customer from the novice to the most sophisticated race teams. Howards Cams main objective is to produce the highest quality product at a reasonable price. The name Howards Cams has been synonymous