ARP High Performance Series Main Stud Kit - SB Mopar - w/o Windage Tray 91940059 8 AN Male to 7/8-20

8 AN Male to 7/8-20 in Male

ORB-08 Port

Rib Protector

but with Wave Loc shank design

High-quality carbon fiber construction

ARP High Performance Series Main Stud Kit - SB Mopar - w/o Windage Tray 91940059 8 AN Male to 7/8-20ARP High Performance Series Main Studs eliminate main cap walk and protect the treads in cylinder block. ARPs 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