Can I really use Ultima Tire & Trim Guard Plus on my engine?
Yes! We have tested Ultima Tire & Trim Guard Plus to temperatures in excess of 500 degrees f. The only surface that gets too hot for Ultima Tire & Trim Guard Plus is the exhaust system (exhaust manifold, turbocharger, exhaust heat shields, etc.). On these surfaces, Ultima Tire & Trim Guard Plus will gracefully evaporate without discoloration.