Cylinder shim increases piston height to reduce rocking and piston slap for smoother engine operation
Tightened piston clearance improves compression and power output
Prevents piston skirt and ring fatigue, extending engine life
Compatible with most aftermarket engine modifications for flexible tuning
Easy installation as a direct upgrade to original equipment without changing engine functionality
Summarized by Shop
The MTNTK “FIX KIT” or “DURABILITY KIT” is the proven solution to the piston failure that is common in the 2008 to 2014 POLARIS 800 engine. The failure is caused by the piston clearance in the cylinder being loose and allowing the pistons to rock in the cylinder bore. With that rock or “piston slap” the pistons scrape the cylinder wall an
