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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®