ARP Stainless Steel Stud Kit - (10) M8 x 1.25" x 57mm 283158 Five-Rib Aluminum Insulator

Five-Rib Aluminum Insulator

Improved Idle Quality

15 Degree Angle Broach

1977-1981 Oldsmobile 98

MOD Bandit

ARP Stainless Steel Stud Kit - (10) M8 x 1.25" x 57mm 283158 Five-Rib Aluminum InsulatorARPs 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: Stud 8 mm x 1. 25 Thread 2.