This after run oil was specially designed after many years of intense racing experience around different climates of the world. It is a great rust preventative. It makes startups much easier. Just fill the carberetor up with the oil, and turn over on the starter box for 5 seconds at the end of the day. This after run oil is specifically designed to be silicone safe, so it is safe to use with all silicone filled crankshafts.

2 Ounce Bottle