If you're Kohler K Engine is giving off a bluish gray smoke it means you're burning oil and need to replace the rings and piston.
We offer High Quality Aftermarket Piston Kits for Kohler K Engines. Includes Piston, Piston Rings, Wrist Pin, Retainer Rings and Instructions. Comes in STD Size and Oversize. For Kohler K181, K241, K301, K321, and K341 Engines
Our pistons are made with quality Aluminum Alloys which include Al, Si, Cu, and Mg to form a piston that have the following characteristics: abrasion resistance, low thermal expansion coefficient, good tensile strength, and heat resistance.