Top End

High performance, long life, die-cast pistonsEngineered to provide the best possible path for combustion chamber heat transfer to cylinder wallsAll pistons, rings, pins and circlips are manufactured...

Forged one-piece OEM replacement valveSPrecision machined valve head and seat surfacesNitride coatedInduction hardened valve stem tipPrecision polished surfaceCompatible with OEM valve keepers Yamaha...

Quality replacement cylinder sleeves give old cylinders new life Yamaha -- YFM 450 Kodiak -- (2023, 2024, 2020, 2018, 2019, 2021, 2022, 2003, 2004, 2006, 2005); Yamaha -- YFM 450 FX Wolverine 4x4 --...

Quality replacement cylinder sleeves give old cylinders new life Kawasaki -- KX 250 F -- (2010, 2018, 2009, 2013, 2015, 2006, 2011, 2017, 2007, 2008, 2019, 2012, 2014, 2016)

Quality replacement cylinder sleeves give old cylinders new life Yamaha -- YZ 250 F -- (2021, 2020, 2019, 2022, 2014, 2023, 2024, 2018, 2015, 2016, 2017); Yamaha -- YZ 250 FX -- (2022, 2020, 2021,...

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength...

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength...

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength...

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength...

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength...

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength...

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength...