ARP Harmonic Balancer Bolt - 1/2-20 in Thread - 1.550 in Long - 5/8 in 12 Point Head - Chromoly - Black Oxide - Big Block Chevy Fire Extinguisher System Activation Head 500 shaft accurately through 10

500 shaft accurately through 10

Fel-Pro Performance intake manifold gaskets offer the ultimate in performance

1958-1996 Chevrolet Impala

62165 2008 Buick Enclave CX V6 217 3

ARP Harmonic Balancer Bolt - 1/2-20 in Thread - 1.550 in Long - 5/8 in 12 Point Head - Chromoly - Black Oxide - Big Block Chevy Fire Extinguisher System Activation Head 500 shaft accurately through 10ARPs 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: Harmonic Balancer Bolt 1 2