ARP Head Stud Kit GM 6.6L Duramax Ear Cup Speakers Bell is the leading supplier

Bell is the leading supplier of helmets in Formula 1

Pyrovatex ® FRC fabric is gentle and non-irritating to even the most sensitive skin

Stud and nut included

1971-1971 Chevrolet Biscayne

ARP Head Stud Kit GM 6.6L Duramax Ear Cup Speakers Bell is the leading supplierARPs 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