Break in your newly-built engine the right way with JEGS High Zinc Engine Break in oil. Formulated to allow optimal ring seal and protection of rotating assembly components from initial startup wear.


JEGS combines highly refined mineral oil, preferred for engine break-in, with additives containing high levels of zinc and phosphorus to provide maximum protection during initial engine break-in. JEGS Break in Oil is fully formulated and does not require the use of any other chemical additives.


Available in one quart containers. Made in the USA!


Please click and or call JEGS at (800) 345-4545 for further information.


JEGS meets the automotive needs of street, race, classic, muscle, truck, off-road & more! In addition to replacement parts & aftermarket accessories, you’ll find Extensive Selection, Unmatched Value, and Lifetime Support at JEGS High Performance… Family owned and operated since 1960.


-JEGS Press Release

Break In Newly-Built Engines With JEGS Break-In Oil