Engine Tune-Up

Reduces friction drag between moving parts & helps keep engines clean. Frees sticky valves, lifters & sticking oil compression rings by dissolving deposits. Contains JB Metal Conditioner®. 

• Protects new engines during break-in
• Helps engines run cooler, smoother and quieter
• Protects engines from harmful aides and corrosion
• Treats the Metal, Not the Oil®