Top End

Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compressionCast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...

Kibblewhite Valve Kit - Intake 30-34000 Honda -- CRF250R -- (2018, 2020, 2021, 2019); Honda -- CRF250RX -- (2018, 2019, 2020, 2021)

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication • Lightweight piston with a tight piston wall clearance for a quieter running engine...

Piston Kit - 67.94 Mm - Yamaha Yz/Wr250 22356A Yamaha -- YZ 250 -- (1998, 1996, 1997); Yamaha -- WR 250 -- (1996, 1997)

Piston Kit - 66.35 Mm - Honda Cr250R 22387B Honda -- CR250R -- (1996, 1995)

Top End Piston Kit - 53.94 Mm - Yamaha Yz125 Vtk22806B Yamaha -- YZ 125 -- (2004, 2002, 2003)

Piston Kit - 55.96 Mm - Ktm 144Sx/150Sx/150Xc 23383B KTM -- 150 XC -- (2013, 2010, 2014, 2012, 2011); KTM -- 144 SX -- (2007, 2008); KTM -- 150 SX -- (2012, 2013, 2009, 2011, 2015, 2010, 2014)

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast...

Piston Kit - 85.97 Mm - Honda 23162100 Honda -- TRX400EX FourTrax -- (1999, 2000); Honda -- TRX400EX Sportrax -- (2002, 2003, 2005, 2001, 2004); Honda -- XR400R -- (1996, 1997, 1999, 2001, 2002,...

Piston Kit - 84.97 Mm - Honda 23162 Honda -- TRX400EX FourTrax -- (1999, 2000); Honda -- TRX400EX Sportrax -- (2001, 2002, 2003, 2005, 2004); Honda -- XR400R -- (1998, 2003, 1996, 1997, 2001, 1999,...

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast...

All pistons are heat-treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston...