Break-In Oil (SAE 30) Friction-modifier-free formula helps rings seat properly for maximum compression and reduced blow-by. Excellent film strength and proprietary anti-wear additive package help ensure cams and bearings are protected during break-in. Delivers competition-quality engine preparation. QUICKLY SEATS RINGS Friction-modifier-free formula allows sharp peaks on newly honed cylinder walls to partially flatten, creating more surface area for rings to seat. Forms a dynamic seal that increases compression, horsepower and torque. PROTECTS CRITICAL PARTS FROM WEAR Contains high levels of z