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 FW XFI 236HR-14

FW XFI 236HR-14

and Idle (including IAC parameters and Idle Spark)

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

500 shaft accurately through 10

1958-1996 Chevrolet Impala

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 FW XFI 236HR-14ARPs 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