Recommended for high RPM 2-stroke applications. Recommended for power valve engines. Identifiable Klotz red color and racy scent. Improves throttle response. Extreme film strength protects engine parts from metal-to-metal contact. Clean Burn for low smoke and prevents plug fouling. High temperature stability reduces power valve deposits. Blends with gasoline only. Pre-mix only – not intended for oil injection. Made in the U.S.A..