Feedback on these kits. I have thousands of people using these tough rebuilds for mowing and hundreds of people for tractor pulling all over the world with 100% Positive FEEDBACKS, and we use what we sell! As stated, this is for the K321 Kohler and the suffix on your your model number does not matter. That means that this will work on the K321S, K321AS, K321Q, K321 AQS or any other K321 engine. INSTRUCTIONS on how to rebuild your KOHLER ENGINE. And the oil hole goes towards the cam. I will also give the instructions on how to properly install your connecting rod. The most common reason for premature engine failure on your rebuilt engine is an improper rod installation. KIT INCLUDES THE FOLLOWING. New Piston and ring set: PISTON COMES IN choice of: Standard. 030 over, Chrome Piston Rings. Wrist pin and Keepers. CONNECTING ROD COMES IN choice of: Standard, or. Intake Valve 1.372 Exhaust Value. EXHAUST VALVE COMES1.125 and 1.375, (Use 1.375 valve on spec, suffix D Model) also have the smaller valve upon request if needed but very uncommon. New Set of Points. I also sell in my auctions. 020 connecting rod in place of the std or. (cheaper than a new crankshaft) If you tell me you want a. 14hp K321 bore sizes are… These measurements are not for the machine shop. The machine shop must have the piston before they can bore the cylinder. 010……………………………………..1.490. Anybody can Rebuild a Kohler engine themselves. I also offer High Quality, cost saving tools and other COMPLETE Engine Rebuild, Refresh Engine. The item “Master ENGINE REBUILD KIT FOR M14 or any K321 14hp KOHLER withvalves” is in sale since Tuesday, February 26, 2013. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawnmowers\Parts & Accessories”. The seller is “bakt4kids” and is located in Wauseon, Ohio. This item can be shipped worldwide.