These are High Quality PARTS and I only sell what I use. Rebuild your John Deere, Cub Cadet, Wheel Horse, Case or Sears 8 HP K181 Engine. Anybody can rebuild a Kohler engine themselves. The suffix after the K181 does not mater, such as K181, K181S, K181AS and so on, all take the same rebuild parts. 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. This kit includes the following. 1- Piston PISTON COMES IN either Standard, +. 030 oversized (I send std if no size requested). 1- Connecting rod – Standard. 010 is now available if requested. Wrist pin and 2 Clips. New carburetor (if you do not need a carb, I sell this kit without it also). New set of points (goes on your old bracket). Head 15 to 20 ft lbs and rod 140 inch lbs. 8HP K181 and M8 These measurments are not for the machine shop use. The machine shop MUST have the piston before they bore your cylinder. Rod New: 140″ pounds Used: 100″ pounds. These are the same High Quality Parts that I use when I rebuild my own Kohler engines…. Check out my other auctions for other rebuild kits and Quality tools to rebuild your engine at great cost savings. I ACTUALLY CARRY MY INVENTORY. The item “ENGINE REBUILD KIT for 8HP KOHLER K181 and M8 withFree Carburetor and tune up” is in sale since Sunday, January 28, 2018. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories”. The seller is “bakt4kids” and is located in Wauseon, Ohio. This item can be shipped worldwide.