Wiseco

• Forged from high-silicon aluminum alloy for maximum strength and dependability • Wiseco offers a complete range of popular piston models and years for both trail and racing applications •...

• Forged from high-silicon aluminum alloy for maximum strength and dependability • Wiseco offers a complete range of popular piston models and years for both trail and racing applications •...

• Forged from high-silicon alloy for maximum strength and dependability • Wiseco offers a complete range of popular piston models and years for both trail and racing applications • Kit includes...

• Endurance and high rpm • Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation • GP Series...

• Endurance and high rpm • Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation • GP Series...

• Endurance and high rpm • Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation • GP Series...

• Each ring set is for one piston • Wiseco rings fit only Wiseco pistons. - Yamaha YZ 250 F (2006, 2009, 2016, 2017, 2005, 2003, 2007, 2008, 2015, 2018, 2004, 2002, 2011, 2010, 2001, 2014, 2019);...

• Each ring set is for one piston • Wiseco rings fit only Wiseco pistons. - KTM 450 EXC Racing 4-Stroke (2007, 2006, 2005, 2004, 2003); KTM 450 EXC (2004, 2003, 2007, 2005, 2006); KTM 400 EXC (2002,...

• Each ring set is for one piston • Wiseco rings fit only Wiseco pistons. - Honda CRF250X (2009, 2005, 2008, 2013, 2010, 2007, 2017, 2011, 2016, 2014, 2015, 2004, 2006, 2012); Honda CRF250R (2004,...

• Designed for all-purpose 2-stroke riding • Durability, longevity and increased horsepower • Dedicated forging design for strength-to-weight optimization • Extra lightening operations for enhanced...

• Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine • Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with...

• Built to the tightest tolerances for the ultimate combination of performance and strength • Kit includes piston rings, wrist pin, and circlips - Yamaha YZ 450 F (2023, 2024, 2025); Yamaha YZ 450 FX...