Engine & Oil Additives

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

Recommended Engine & Oil Additives

Hot Shot's Secret

8 oz

+Friction reducer oil additive in an 8 oz bottle

+Treats 5 quarts of oil per bottle

+Reduces friction and wear in the engine

No price recorded yet.

K-100

8 oz

+Gasoline fuel treatment made in the USA

+8 oz bottle for a single treatment

+Added to gasoline rather than engine oil

No price recorded yet.

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