ARP SB Chevy Head Bolt Kit 931117 two 30" long 120° lower

two 30" long 120° lower quarter and two 26" long 90° upper quarter pieces are included

1955-1974 Ford Thunderbird

If you're looking for the most powerful standard type 20

1984-1989 Chevrolet P20

The rear cat is retained on this system to maintain a smooth deep sound but more importantly to keep the system street legal

ARP SB Chevy Head Bolt Kit 931117 two 30" long 120° lowerARPs 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 Bolt Kit High