Kimpex - High Performance PTFE Piston for Polaris (09-727M) Options:09-727M RK utilizes Nitrile Butadiene O-rings

RK utilizes Nitrile Butadiene O-rings to seal in lubrication and deliver smooth power with no O-ring drag or loss of horsepower

The filtering efficiency* is extremely high at 98-99% filtering efficiency (ISO 5011)

Filter for RMZ 250/450

we wanted to make sure their design had casual

Kimpex - High Performance PTFE Piston for Polaris (09-727M) Options:09-727M RK utilizes Nitrile Butadiene O-ringsHigh performance, long life pistons Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls PTFE coated to create the least amount of friction during the break in period All our pistons, wrist pins and circlips are manufactured to the original OEM specifications Our kits include: piston, ring(s), wrist pins and circlips All our Kimpex pistons and piston kits are covered by a limited three years warranty.