Custom sleeves can be made for almost any engine.  Our sleeves are high quality, high strength iron designed to fit your particular application. 

One of the most popular sleeves available are for John Deere PowerBlocks.  PowerBlock Sleeves are available individually, or Extreme Tractor Parts can install them in your block.  If ETP installs the sleeves, the block will be cleaned, the old sleeves removed, new sleeves installed, bored to desired bore and honed to fit your (or our) pistons.  The head surface of the block will be decked and any broken bolt/studs removed and retapped.

 Custom sleeves can be designed to fit your engine, or just e-mail a drawing that you want.