Engine & Oil Additives

3 engine & oil additives from Liqui Moly, Lubegard, Hot Shot's Secret and more.

Recommended Engine & Oil Additives

Spicer

4 oz

+Friction modifier made for limited slip differentials

+4 oz bottle for a small, measured dose

+Designed for Posi differentials specifically

No price recorded yet.

ACDelco

4 oz

+Original equipment part from GM

+Synthetic formula for supercharger oil use

+Comes in a 4 oz bottle

No price recorded yet.

Red Line

4 oz

+Friction modifier for limited-slip differentials

+Comes in a 4 ounce bottle

No price recorded yet.

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.