ARP 661-1002 Metric Thread Bolt Kit M8 x 1.25 x 25mm hex black oxide bolts ymm_75 ARP Ultra-Torque® fastener assembly lubricant

ARP Ultra-Torque® fastener assembly lubricant has been specifically designed to reduce tension pre-load scatter and eliminate the need to cycle high performance engine fasteners before final installation

it helps eliminate main cap walk and fretting while protecting the threads in the engine block

2500 Series 1960-1963

Newport 1961-1978

ARP 661-1002 Metric Thread Bolt Kit M8 x 1.25 x 25mm hex black oxide bolts ymm_75 ARP Ultra-Torque® fastener assembly lubricantSpecifications Socket Size(s) 10mm hex UHL 25mm Thread Length 25mm Grip Length n amm Thread Diameter Spacing M8 x 1. 25mm Grip Diameter 8mm Wrenching 10mm Head Height 7. 4mm Collar Diameter 15. 0mm