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 R060004 Includes two right-side and two

Includes two right-side and two left-side chrome plated brackets for mounting on the valve covers

Superior port finish for increased flow

156 mild steel and is 35 in length

product performance and durability

1992-1998 GMC Sonoma

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 R060004 Includes two right-side and twoARPs 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