COMP Cams 159 Engine Break-In Oil Additive, 12 oz. Bottle
Protects all internal engine components, including flat and rod bearing Oils. Improves surface mating of rotating assembly, rod journals, Piston Rings, valve guides, cam and lifters, etc.
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Engine & Oil Fluid Additives
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About COMP Cams 159 Engine Break-In Oil Additive, 12 oz. Bottle
Overall Feedback:
70% positive
84% were satisfied with the cold start performance
Using diesel engine oils or this additive is the only way to keep older style flat tappet cams alive.
