Toro maintenance kits for Kohler XT & XTX Engines contain everything the "do-it-yourselfer" needs to keep a Toro machine running like new. It's an easy and convenient way to ensure your Toro equipment will run its best year after year. Kit includes an air filter (#130-8161), a spark plug (#130-8158), a packet of fuel treatment (#130-2393), and an 18 oz. bottle of oil (#38916).