ARP High Performance Series Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - Big Block Buick 24232706 The upper mount has been

The upper mount has been engineered to reduce flex by 52% over the competition

1/2 Diameter

GM A-Body 1973-77 / F-Body 1970-81

GM G-Body 1982-87 / GM Compact SUV / Truck 1982-95

ARP High Performance Series Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - Big Block Buick 24232706 The upper mount has beenARPs 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