We first follow Lycoming Mandatory SB 240W which lists all the parts which must be replaced at overhaul. In addition to these parts our overhauls also always include a New Lycoming Camshaft and Cam Followers (Tappets), New Lycoming Oil Pump Assemblies, New Skytec Starters, New Slick Magnetos, New Ignition Harness, New Spark Plugs, and Upgraded Silicone Valve Cover Gaskets. We also assemble our engines with all New Hardware.