ARP assembly lubricant is an ultra-consistent, premium-grade, moly-based lubricant with rust and corrosion inhibitors. With this lube, you can get exact torque readings because of the reduced friction. Use on nuts, bolts, and studs. 0.5oz, packaging may differ from shown. Ref: SEN0133, L99, 100-9901, 100-9902, 100-9908.