N/A Alisyn ProGear 21 Type 1 is race proven in the most demanding racing environments from Indy Cars, GTP Lights, SCCA Endurance Cars, Pro Stock, and Pro Modified drag cars, to high performance marine outdrives and lower units. The additive package was formulated to give exceptional load carrying capabilities (+4500 lb. Falex loads) while offering superior oxidation stability compared to other lubricants on the market. Customers report reduced gear box temperatures up to 45 ºF when compared to conventional lubricants and up to 30 ºF compared to other synthetic gear lubricants. These performance characteristics result in gear box operating efficiency increases of up to 15 %.