ARP Head Stud Kit GM 6.6L Duramax Helmet Air System 540 lb/in Spring Rate

540 lb/in Spring Rate

1972-1987 Pontiac Grand Prix

Carter / Edelbrock Carburetors

500 in Backspace

Altronics Exhaust Temp Kit RAKIT

ARP Head Stud Kit GM 6.6L Duramax Helmet Air System 540 lb/in Spring RateARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Cylinder Head Stud 12 Point