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 Fel-Pro Performance intake manifold gaskets

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

1958-1996 Chevrolet Impala

and Idle (including IAC parameters and Idle Spark)

600 in Height

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 Fel-Pro Performance intake manifold gasketsARPs 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