Lifan LF152F-3Q 3 HP 97.7cc 4-Stroke OHV Industrial Grade Gas Engine with 18mm Keyway Shaft, Recoil Start and Universal Mounting Bolt Patterns Industrial grade OHV 4-stroke gasoline engine with 18mm keyway shaft Compression release for E-Z starting - low oil shutdown engine protection General purpose engine with universal mounting plate: great for recreational vehicles, construction, farm, and ranch Automotive grade rods, pistons, ring, and crankshaft - no plastic parts Replaces Honda, Briggs, Kohler, and other brands; EPA certified