Manufactured at leading OEM factories Made to exact OEM specifications, to ensure maximum quality and performance Includes all necessary bearings/seals for a components replacement ProX bearings offer high durability and the seals make sure to keep the oil in and dirt out of the engine Can be used in combination with all other ProX or OEM crankshaft related products - Beta 390 RR 4T (2015, 2018, 2019, 2023, 2025, 2021, 2016, 2024, 2017, 2020); Beta 430 RR 4T (2016, 2017, 2020, 2025, 2023, 2024, 2019, 2015, 2018, 2021); Beta 480 RR 4T (2016, 2025, 2024, 2019, 2021, 2023, 2020, 2015, 2017, 2018); Beta 350 RR 4T (2020, 2023, 2019, 2025, 2017, 2021, 2015, 2018, 2016, 2024); Beta 400 RR 4T (2010, 2011, 2012, 2014, 2013); Beta 498 RR 4T (2013, 2014, 2012); Beta 450 RR 4T (2013, 2014, 2010, 2012, 2011); Beta 520 RR 4T (2011, 2010); Beta 450 RX (2024, 2025)