VP Assembly Lube has a stout base stock that provides superior protection against scuffing, galling and metal transfer during engine assembly and the critical break-in process. It provides exceptional wear protection and is miscible (mixable) with synthetic and conventional oils. You're ensured superior protection for your cylinder walls, piston skirts, bearings, camshafts, cam lobes, lifters, wrist pins, and other valve train components. 

Learn more about engine assembly lube and why it's a must-have pre-lube safeguard for engines. 

For the best protection and performance, use VP 10W-40 Break-In Oil, designed with balanced levels of ZDDP and moly anti-wear additives. It safeguards against viscosity loss during the critical engine break-in process.