The unique lubricants in this break-in oil provides the highest levels of zinc and phosphorus for optimum ring seating during the critical first few hours of your freshly assembled engine. This oil promotes superior ring seating and protects those tight tolerances during initial start, making sure you break-in your engine right!
Note: This oil is intended ONLY for complete rebuild engines during initial start-up. Some crate engines have been tested and broke-in by the manufacturer or engine builder.
BR Break-In Oil
BR10 Break-In Oil
BR30 Break-In Oil