Namura Technologies NA-50093K Top End Repair Kit - Standard Bore 90.42mm

Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Teflon/Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Anodized Domes Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons. Hypereutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures.

Vehicle Fitment:

2016-2019 Polaris General 1000 EPS
2016-2019 Polaris General 1000 EPS Deluxe
2017-2019 Polaris General 1000 EPS Hunter Edition
2019 Polaris General 1000 EPS Limited Edition
2018-2019 Polaris General 1000 EPS Premium
2017-2019 Polaris General 4 1000 EPS
2018-2019 Polaris General 4 1000 EPS Ride Command Edition
2017 Polaris Ranger Crew XP 1000
2017-2019 Polaris Ranger Crew XP 1000 EPS
2019 Polaris Ranger Crew XP 1000 EPS 20th Anniversary
2017-2019 Polaris Ranger Crew XP 1000 EPS High Lifter Edition
2017-2019 Polaris Ranger Crew XP 1000 EPS Northstar HVAC Edition
2019 Polaris Ranger Crew XP 1000 EPS Premium
2016-2018 Polaris Scrambler 1000 XP
2014-2015 Polaris Scrambler 1000 XP EPS
2015-2019 Polaris Sportsman 1000 Touring XP
2016 Polaris Sportsman 1000 Touring XP Limited
2015-2018 Polaris Sportsman 1000 XP
2016-2019 Polaris Sportsman 1000 XP High Lifter Edition
2016-2018 Polaris Sportsman 1000 XP Hunter Edition