Prox Piston Kit - 96.96 Mm - Yamaha Yz450F/Yz450Fx/Wr450F 01.2444.B

Prox Piston Kit - 96.95 Mm - Yamaha Yz450F/Yz450Fx/Wr450F 01.2444.A Yamaha -- YZ 450 F -- (2014, 2015, 2017, 2016); Yamaha -- YZ 450 FX -- (2016, 2017, 2018); Yamaha -- WR 450 F -- (2017, 2018, 2016)

Prox Piston Kit - 96.95 Mm - Yamaha Wr450F/Yz450F/Yz450Fx 01.2453.A Yamaha -- YZ 450 F -- (2023, 2024, 2025); Yamaha -- YZ 450 F Monster Energy -- (2023, 2024, 2025); Yamaha -- WR 450 F -- (2025,...

Prox Piston Kit - 96.95 Mm - Yamaha Wr450F/Yz450F/Yz450Fx 01.2448.A Yamaha -- WR 450 F -- (2020, 2019); Yamaha -- YZ 450 FX -- (2020, 2019); Yamaha -- YZ 450 F -- (2018, 2019)

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,...

• R&D developed to provide dyno-proven power gains • Asymmetric skirt design for improved wear and even loading on major thrust skirt • Precision fit ring; custom-lapped compression ring for...