ProX

• 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...

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Yamaha YZ 450 F (2023, 2024, 2025); Yamaha YZ 450 FX (2025, 2024); Yamaha WR 450 F (2024, 2025)

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Kawasaki KX 450 X (2025, 2024); Kawasaki KX 450 (2025, 2024)

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Honda TRX250R FourTrax (1986); Honda ATC 250 R (1986, 1985)

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Beta 350 RR 4T (2015, 2018, 2025, 2019, 2016, 2024, 2020, 2023, 2017, 2021); Beta 390 RR 4T (2024,...

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Beta 300 RR 2T (2020, 2019, 2021, 2018); Beta 250 RR 2T (2019, 2018, 2021, 2020); Beta X-Trainer...

• Comes complete with crankpin, big-end bearing, small-end bearing, and washers • Easy to install - Beta 300 RR 2T (2013, 2014, 2016, 2015, 2017); Beta 300 RX (2022, 2021, 2023, 2025, 2024); Beta...

ProX alloy spacers feature a hardened steel shell pressed over the alloy providing a superior wear surface resulting in longer wheel spacer and bearing lifeComplete and direct replacement for the OEM...

ProX alloy spacers feature a hardened steel shell pressed over the alloy providing a superior wear surface resulting in longer wheel spacer and bearing lifeComplete and direct replacement for the OEM...

ProX alloy spacers feature a hardened steel shell pressed over the alloy providing a superior wear surface resulting in longer wheel spacer and bearing lifeComplete and direct replacement for the OEM...

ProX alloy spacers feature a hardened steel shell pressed over the alloy providing a superior wear surface resulting in longer wheel spacer and bearing lifeComplete and direct replacement for the OEM...

ProX alloy spacers feature a hardened steel shell pressed over the alloy providing a superior wear surface resulting in longer wheel spacer and bearing lifeComplete and direct replacement for the OEM...