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PISTON - PM WISECO STD.HIGH-PERFORMANCE PISTONSForged from high-silicon aluminum alloy for maximum strength and dependabilityWiseco offers a complete range of popular piston models and years for both trail and racing applicationsWISECO FEATURES PRO-LITE...

WISECO PISTON YAM 1MMHIGH-PERFORMANCE PISTONSForged from high-silicon aluminum alloy for maximum strength and dependabilityWiseco offers a complete range of popular piston models and years for both trail and racing applicationsWISECO FEATURES PRO-LITE...

WISECO PISTON HON STD.HIGH-PERFORMANCE PISTONSForged from high-silicon aluminum alloy for maximum strength and dependabilityWiseco offers a complete range of popular piston models and years for both trail and racing applicationsWISECO FEATURES PRO-LITE...

WISECO PISTON HON 1MMHIGH-PERFORMANCE PISTONSForged from high-silicon aluminum alloy for maximum strength and dependabilityWiseco offers a complete range of popular piston models and years for both trail and racing applicationsWISECO FEATURES PRO-LITE...

PISTON KIT KFV750 11.5:1HIGH-PERFORMANCE PISTONSForged from high-silicon aluminum alloy for maximum strength and dependabilityWiseco offers a complete range of popular piston models and years for both trail and racing applicationsWISECO FEATURES PRO-LITE...

Prox Piston Kit - 71.94 - Gas Gas | Rieju 01.7300.A Gas Gas -- EC 300 R -- (2017); Gas Gas -- EC 300 Replica -- (2013, 2014); Gas Gas -- EC 300 Ohlins -- (2002, 2008, 2010, 2013, 2011, 2003, 2006, 2009, 2012, 2005, 2000, 2001, 2004, 2007); Gas Gas -- EC...

Prox Piston Kit - 71.94 Mm - Beta 01.7398.A Beta -- 300 RX -- (2022, 2021, 2023, 2025, 2024); Beta -- 300 RR 2T -- (2020, 2018, 2019, 2021); Beta -- X-Trainer 300 -- (2019, 2018, 2020, 2021)

Prox Piston Kit - 71.95 Mm - Beta 01.7398.B Beta -- 300 RX -- (2024, 2022, 2021, 2023, 2025); Beta -- X-Trainer 300 -- (2021, 2020, 2019, 2018); Beta -- 300 RR 2T -- (2018, 2020, 2019, 2021)

Replaces the OEM valves and valve springsSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from premium chrome vanadium steel for...

Replaces the OEM valves and valve springsSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from premium chrome vanadium steel for...

Prox Piston Kit - 94.95 Mm - Husqvarna Fe450 | Ktm 450Exc-F 01.6440.A KTM -- 450 EXC-F -- (2020); Husqvarna -- FE 450 -- (2020)

Prox Piston Kit - 94.96 Mm - Gas Gas | Yamaha 01.2429.B Yamaha -- WR 450 F -- (2008, 2007, 2009, 2004, 2005, 2006, 2003, 2010, 2011, 2014, 2015, 2013, 2012); Yamaha -- YZ 450 F -- (2009, 2008, 2005, 2006, 2004, 2003, 2007); Gas Gas -- EC 450F -- (2015,...