VP 10W-40 Engine Break-In Oil is a unique, multi-viscosity oil. We formulate it with a blend of high-quality conventional base stocks, ZDDP, Moly, and other additive chemistries. It allows newly machined engines to properly finish seating and mating of machine engine parts. The engine break-in process is extremely critical when putting together an engine.

Learn more about break-in oil, what it is, and why it matters.

Performance Advantages of VP Break-In Engine Oil

• Multi-viscosity conventional oil blend
• Balanced level of ZDDP and moly anti-wear additives
• Shear stable polymers to prevent viscosity loss during break-in process
• Aggressive detergent/dispersant additive system
• Ultimate protection for flat tappet and roller cams
• Use for initial 15-20 dyno pulls or 50-100 road miles

Use VP Engine Assembly Lube for your engine rebuilds. It provides superior protection against scuffing, galling and metal transfer during engine assembly and the critical break-in process.