Bottom End

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Made of special steel and manufactured with CNC high-precision machineryStandard stroke Yamaha -- YZ 85 -- (2003, 2014, 2012, 2010, 2013, 2002, 2016, 2008, 2007, 2005, 2011, 2009, 2006, 2015, 2017, 2004, 2018)

Made of special steel and manufactured with CNC high-precision machineryStandard stroke Yamaha -- Zuma 50 -- (1998, 1999, 2001, 2000); Yamaha -- BW 50 -- (2000, 2001, 1998, 1999)

OE or better quality Polaris -- General 1000 Deluxe EPS 4x4 -- (2020, 2021); Polaris -- Ranger 1000 EPS 4x4 -- (2020); Polaris -- Ranger Crew 1000 EPS -- (2020); Polaris -- Ranger XP 900 4x4 -- (2014, 2017, 2016, 2013, 2018, 2015, 2019); Polaris --...

OE or better quality Polaris -- General 1000 Deluxe EPS 4x4 -- (2020, 2021); Polaris -- Ranger 1000 EPS 4x4 -- (2020); Polaris -- Ranger Crew 1000 EPS -- (2020); Polaris -- Ranger XP 900 4x4 -- (2014, 2018, 2016, 2017, 2015, 2019, 2013); Polaris --...

OE or better quality Polaris -- Ace 900 XC 4x4 -- (2018, 2019, 2017); Polaris -- General 4 1000 4x4 -- (2019, 2018); Polaris -- General 4 1000 Ride Command Ed. 4x4 -- (2019); Polaris -- Ranger XP 900 4x4 -- (2018, 2017, 2015, 2019, 2013, 2014, 2016);...