Namura Technologies NA-50091-C Piston Kit - Big Bore 98mm.

Bore: 92.97mm
Sizing: 0.004in. Oversize

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 Polaris ACE 900 SP
2017-2019 Polaris ACE 900 XC
2020 Polaris General 1000
2016-2019 Polaris General 1000 EPS
2018-2019 Polaris General 1000 EPS Deluxe
2019 Polaris General 1000 EPS Limited Edition
2018-2019 Polaris General 1000 EPS Premium
2018-2019 Polaris General 1000 EPS Ride Command Edition
2020 Polaris General 4 1000
2017-2019 Polaris General 4 1000 EPS
2018-2019 Polaris General 4 1000 EPS Ride Command Edition
2017 Polaris Ranger Crew XP 1000
2018-2019 Polaris Ranger Crew XP 1000 EPS
2017-2019 Polaris Ranger Crew XP 900
2018-2019 Polaris Ranger Crew XP 900 EPS
2017 Polaris Ranger XP 1000
2018-2019 Polaris Ranger XP 1000 EPS
2016-2019 Polaris Ranger XP 900
2018-2019 Polaris Ranger XP 900 EPS
2015-2017 Polaris RZR 4 900 EPS
2015-2019 Polaris RZR 900
2018-2019 Polaris RZR 900 EPS
2018-2019 Polaris RZR RS1
2018-2019 Polaris RZR S 1000 EPS
2018-2019 Polaris RZR S 900
2018-2019 Polaris RZR S 900 EPS
2019 Polaris RZR S4 1000 EPS
2018 Polaris RZR S4 900 EPS
2018-2019 Polaris RZR XP 1000 EPS
2019 Polaris RZR XP 1000 EPS Ride Command Edition
2018-2019 Polaris RZR XP 4 1000 EPS
2018-2019 Polaris RZR XP 4 1000 EPS Ride Command Edition