ARP Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 4.325 in Long - 1-1/16 in 12 Point Head - Chromoly - Black Oxide - Except GM LS7 - GM LS-Series 58-59 chemicals and brake dust

chemicals and brake dust

GM Metric Rotor

2002-2006 Hummer H1

durability and aesthetics

231 in Long

ARP Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 4.325 in Long - 1-1/16 in 12 Point Head - Chromoly - Black Oxide - Except GM LS7 - GM LS-Series 58-59 chemicals and brake dustARPs 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 16