DRIVEN JGR00106 Joe Gibbs 00107 BR 15W-50 Break-In Motor Oil - 1 Quart Bottle, Case of 12 Petroleum oil formula provides the highest levels of zinc and phosphorus for flat-tappet engines Used by Joe Gibbs racing to break-in and power test every engine Promotes ring seal and provides maximum protection available for cams and lifters during initial break-in Good for 2 hours of dyno pulls, 1 night of racing or 500 miles on the street Compatible with methanol and high-octane race fuels