ARP Bellhousing Bolt Kit - 10 mm x 1.50 Thread - 1.375 in Long - 12 Point Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - Set of 8 O2 Sensor Made from High Carbon Steel

Made from High Carbon Steel

Place them in static locations near cylinder head and lifter valley drainback holes

Counterclockwise Rotation

530" inner diameter

ARP Bellhousing Bolt Kit - 10 mm x 1.50 Thread - 1.375 in Long - 12 Point Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - Set of 8 O2 Sensor Made from High Carbon SteelARPs 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: Bellhousing Bolt Kit 10 mm