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Prox Piston Kit - 99.95 Mm - Beta 498Rr/520Rr 01.7512.A Beta -- 520 RR 4T -- (2010, 2011); Beta -- 498 RR 4T -- (2012, 2013, 2014)

Prox Piston Kit - 94.95 Mm - Beta 450Rr 01.7412.A Beta -- 450 RR 4T -- (2013, 2014, 2010, 2012, 2011)

Prox Piston Kit - 87.96 Mm - Beta 390Rr 01.7365.A Beta -- 390 RR 4T -- (2017, 2020, 2016, 2018, 2019, 2023, 2015, 2024, 2025, 2021); Beta -- 390 RR Race Edition 4T -- (2017, 2015, 2019, 2020, 2021,...

Prox Piston Kit - 96.95 Mm - Yamaha Wr450F/Yz450F/Yz450Fx 01.2450.A Yamaha -- YZ 450 F Monster Energy -- (2021, 2022); Yamaha -- WR 450 F -- (2021, 2022, 2023); Yamaha -- YZ 450 F -- (2022, 2020,...

Prox Piston Kit - 94.95 Mm - Gas Gas | Husqvarna | Ktm 01.6434.A Husqvarna -- FC 450 -- (2019, 2021, 2014, 2016, 2020, 2015, 2017, 2018, 2022); Husqvarna -- FS 450 -- (2018, 2020, 2015, 2017, 2021,...

Prox Piston Kit - 94.96 Mm - Beta | Ktm | Polaris 01.6521.C Beta -- 525 RR 4T -- (2005, 2007, 2009, 2006, 2008); KTM -- 520 EXC -- (2002, 2000, 2001); KTM -- 525 EXC Racing 4-Stroke -- (2003, 2005,...

Prox Piston Kit - 94.95 Mm - Beta | Ktm | Polaris 01.6521.B Beta -- 525 RR 4T -- (2009, 2006, 2008, 2007, 2005); KTM -- 520 EXC -- (2002, 2000, 2001); KTM -- 525 XC ATV -- (2010, 2011, 2012, 2008,...

Prox Piston Kit - 75.96 Mm - Sherco 250Se-F/250Sef-R 01.7314.A Sherco -- 250 SEF-R -- (2014, 2018, 2015, 2016, 2017); Sherco -- 250 SEF -- (2014, 2016, 2015, 2018, 2017)

• Engineered for maximum durability, precise fitment, and optimal engine performance • Kit includes a precision-machined piston, wrist pin, circlips, and high-performance piston rings • Made with low...

• Engineered for maximum durability, precise fitment, and optimal engine performance • Kit includes a precision-machined piston, wrist pin, circlips, and high-performance piston rings • Made with low...

Prox Piston Kit - 83.95 Mm - Sherco 300Se-F/300Sef-R 01.7324.A Sherco -- 300 SEF -- (2014, 2016, 2015, 2017); Sherco -- 300 SEF-R -- (2014, 2015, 2016, 2017)

Prox Piston Kit - 87.96 Mm - Beta 350Rr 01.7351.A Beta -- 350 RR 4T -- (2013, 2014, 2011, 2012)