Red Line Racing 2T Oil - 16oz. 40603Ultimate in 2 cycle performance, extreme cleanliness Popular in racing and daily applications including marine, karting, snowmobile racing, etc. Dyno proven for gains od 3 5% and more power over long runs For use where NMMA TC W3 lubricants are recommended High temp stability prevents deposits on combustion chambers, exhaust ports, upper ring and piston crown Suggested use at 50: 1, but useful up to 100: 1 depending on operating conditions