Description Silkolene Light-Gear Oil Synthetic fortified blended gear oil Developed for use in offroad and competition transmissions Outstanding anti-wear properties even under severe loads Can be used in all wet clutch systems including Kevlar® types Meets API-GL3 and GL4 requirements for motorcycles only SAE Rating 75W80 (Gear), 10W40 (Engine) Silkolene Medium Gear Oil Developed for use in offroad and competition transmission Outstanding anti-wear properties even under severe loads Can be used in all wet clutch systems including Kevlar types Meets API-GL3 and GL4 requirements for motorcycles and ATVs SAE 85W90 (Gear), 20W50 (Engine) 1 Quart