Chemicals & Fluids › Performance Break-In Oil Image 1 of 1 Performance Break-In Oil $11.99 Mineral based 4-stroke engine oilFormulated for break-in of all 4-stroke enginesIdeal for use in race engines, OEM rebuilds, and crate motorsEnsures fast and effective ring sealMaximum protection for both flat tappet and roller cam shafts2X Zinc system provides optimum and immediate protection at all temperaturesDyno tested and approved Quantity: Purchase Added! Mineral based 4-stroke engine oilFormulated for break-in of all 4-stroke enginesIdeal for use in race engines, OEM rebuilds, and crate motorsEnsures fast and effective ring sealMaximum protection for both flat tappet and roller cam shafts2X Zinc system provides optimum and immediate protection at all temperaturesDyno tested and approved