Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools 4-Stroke Engines Chainsaws Hedge Trimmers Leaf Blowers Safety Apparel Tools and Testers Service Manuals Briggs and Stratton Canadian Dolmar Echo Homelite Husqvarna Jonsered Kohler Makita McCulloch Onan Partner Pioneer Poulan Information Chain Reference Chart Chainsaw Chain Info - Maintenance & Safety Manual Testing Information and Diagrams for 2-Cycle Engines Watch How To Videos Contact Us Account Search site Submit search Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Parts & Tools > 4-Stroke Engines > Kohler > K Series > K301 > NEW .040" UNDERSIZED PISTON KIT FITS KOHLER K301, M12, 12HP ENGINES Our Price: $44.95 Product Code: K301-PISTON-KIT-.040-UNDERSIZE Qty: Description NEW .040" UNDERSIZED PISTON KIT FITS KOHLER K301, 12HP, CAST IRON BLOCKNOTE: THIS PISTON KIT IS NOT MADE IN TAIWAN OR CHINA, HIGH QUALITY All K301 engines, such as K301A, K301S, K301AS, K301AQS and so on no matter what the suffix is.SPECS FOR MACHINE SHOP TO BORE CYLINDER: WE RECOMMEND THAT YOU TAKE YOUR PISTON TO THE MACHINE SHOP SO THEY CAN MEASURE AND BORE CORRECTLY12 HP STANDARD Cylinder Bore 3.375" +.010" 3.385" +.020" 3.395" +.030" 3.405"+.040" 3.415" Related Products... NEW STANDARD CONNECTING ROD FITS KOHLER K 321, M14 12HP PART # 45-067-09-S AIR FILTER & PRE FILTER FITS KOHLER K241 K301 K321 K181, M8, 235116-S, NEW .020" UNDERSIZED PISTON KIT FITS KOHLER K301, M12, 12HP ENGINES PART # 47-874-09-S 2 VALVE GUIDES 235007-S FITS KOHLER K241 K301 K321 K341 K361 K432 K532 K582 Our Price: $29.95 Add Our Price: $12.95 Add Our Price: $44.95 Add Our Price: $17.95 Add NEW .010" UNDERSIZED PISTON KIT FITS KOHLER K301, M12, 12HP ENGINES PART # 47-874-08-S COMPLETE GASKET SET WITH CRANK SEALS FITS K241 K301 K321 ENGINES # 47-755-08-S D-235327-S VALVE TAPPETS FITS KOHLER K301, K321, K341, K241, M10, M12, M14, M16 NEW CYLINDER HEAD, HEAD GASKET & PLUG FITS KOHLER K241 K301 K321 M10 M12 M14 Our Price: $44.95 Add Our Price: $29.95 Add Our Price: $34.95 Add Our Price: $129.95 Add Share your knowledge of this product with other customers... Be the first to write a review