Restore 6-Cylinder Formula Engine Restorer and Lubricant - 12.5 fl oz

from Another1928Nickname

I have never believe in the additives performing miracles but this stuff really does! I bought a used Mercruiser GM 4.3L engine and found it had water in the cylinders which caused very deep cylinder scaring. The first compression test showed 30 PSI on the worst cylinder, roughly 80psi on the ne...

from TJ

Been using this product in my car for years and add one can every oil change. It takes a few hundred miles to fully treat the engine but then it does run more smooth and quiet.

from Davin

Excellent product I have been using this for years

from Alexandru

195000 m the engine became very smooth when I add this additive(oil)I love it ,I wish Al ear I can drive with this additive

from James

I've been using this for YEARS now. I used to have to buy this imported when I lived in the UK, so nice to be able to get it at such an affordable price. I have no scientific evidence from my own usage to know it's effectiveness, but I've been using this at every 5-7,000 mile oil change in every ...