Kohler PA-SH265-3142 0.75" x 2.46" 6.5hp Horizontal Recoil EngineKohler PA SH265 3142 0. 75" x 2. 46" 6. 5hp Horizontal Recoil Engine The hard working SH Series engine is designed for quick, easy maintenance. Heavy duty features like cast iron cylinder liners add long life protection. Features: Better fuel efficiency and cleaner emissions with overhead valve design vs. L head design Built to last with cast iron cylinder liners and crankshafts Automatic engine protection Oil Sentry shuts down the engine in low oil