Use Engine After Run Oil to properly maintain your nitro engine - just a few drops after a day of running will keep your engine in top shape and ready to go for the next time you take it out.
Features: - Helps keep engine running in top condition Protects bearings and internal parts from corrosion Helps prevent gum and varnish build-up - Great for 2- or 4-stroke engines - Just pour into exhaust port or glow plug hole after each running