You must tell us the piston and rod sizes as stated below or we will send all standard within 24hrs

 We are the largest supplier of rebuild kits for Kohler K and M series engines in the USA.

  • We sell the same rebuilds that almost all engine rebuilders use.
  • We are able to sell so much cheaper because we buy in huge quanities.
  • We sell what we use and have sold world wide and sell to tractor pullers with 100% pos. feedback on these high quality kits.
  • Over 100,000 rebuilds sold on ebay!
  • PLease read our feedback before purchasing
  • This is for the K321 and the M14 
  • That means all M14 and K321 engines, such as K321A, K321S, K321AS, K321AQS and so on no matter what the suffix is.

I am selling a New (Stens/Rotary) Kohler 14 hp (K321) engine rebuild kit and with every PURCHASE I am now sending:

  1. FREE!!! ROD INSTALLATION INSTRUCTIONS.
  2. FREE!!! TORQUE SPECS.
  3. MOST COMMON FAILURE ON A NEW REBUILT ENGINE IS IMPROPER ROD INSTALLATION), I WILL GIVE YOU THE SHEET THAT TELLS YOU HOW TO INSTALL THE ROD PROPERLY.

This kit includes the following:

  1. Piston Comes in Standard, .010 oversized, .020 oversized, or .030 oversized.
  2. Chrome Piston Rings
  3. Complete Gasket Set
  4. Engine seals
  5. Connecting rod- Customized to your engine rebuilding needs. Comes in Standard or .010 undersized.
  6. Wrist pin and 2 Clips

                  14hp K321  These measuments are not for machine shop use. The machine shop MUST have the new piston before they can bore your block.

Standard cylinder bore.........3.500"

+.010 ....................................... 3.510"

+.020.........................................3.520"

+.030.........................................3.530"

Standard rod...........................1.500"

-.010...........................................1.490"

-.020..........................................1.480" 

         Crank bearings are around $51.00 a pair.

       Valve guides are around $20.00 a Pair

  • Govornor gear is around $42.00 (OEM Kohler part)
  • Steel points plunger also called points pin around $19.50 (OEM Kohler part).
  • available in my store and shipping is free so there is no longer combined shipping because you can not combine free. Out of Country if you ordered more than one item, you would use your shopping cart for cheaper shipping. 
  • I will BEAT ANYONE'S PRICE, on this same QUALITY KIT******And I carry my inventory!!!!

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  • I will give you the torque specs with your purchase. Head is 25 to 30 lbs and rod is 260 inch lb
  • Check out my other auction for all the tools needed to rebuild your own engine.
  • Anybody can rebuild a Kohler engine themselves. 

  • Email any questions and check out my other auctions, because I am selling kits for other engines at a fraction of the cost.
  • We sell new items only and any NEW parts can be exchanged for differant sizes



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