Hot Shot's Secret Adrenaline Assembly Lubricant is formulated to blend with 100 percent of break-in oils, while also providing protection and swift solubility. It clings to metal surfaces through the initial startup process and adds lubricity to all engine parts including camshafts, bearings, valvetrain components, and engine fasteners such as head bolts and studs, connecting rod bolts, and other fasteners. The corrosion-resistant assembly lubricant has dry start protection with over 2,000 ppm of zinc and can be used with any engine assembly application – gasoline or diesel – and is designed to work with all camshaft types. Made in the USA.