Engine Break-In Oil
Used by Joe Gibbs Racing to break-in and dyno all their engines.
This petroleum oil provides the highest levels of Zinc and Phosphorus for flat-tappet engines.
The additive package promotes ring seal and provides maximum protection available for cams and lifters during initial break-in.
Good for 2 hours dyno time and requires no additional additives
Viscosity typical of SAE 15W-50.
