WSM Piston Kit - Honda 420 - Standard 50-231K Piston Ring Set Simple swivel mounting

Simple swivel mounting

This unit best suited for 600cc bikes or below (multiple use to rider choice)

15% Power Gains with no tuning

Boot upper incorporates innovative front

2023 KTM 300 XC-W - - 2016-2020 KTM 300 XC-W Six Days - - 2016-2020 KTM 250 EXC Six Days - - 2016-2020 Husqvarna TE 150 - - 2016-2020 KTM 300 EXC Six Days - - 2016-2020 KTM 500 EXC - - 2016-2020 KTM 350 EXC - - 2016-2020 Husqvarna TE 250 - - 2016-2020 Husqvarna TE 350 - - 2016-2020 Husqvarna TE 300 - - 2016-2019 KTM 300 EXC - - 2016-2019 KTM 125 EXC - - 2016-2019 KTM 250 EXC - - 2016-2019 KTM 125 XC-W - - 2016-2019 KTM 450 XC-W - - 2016-2018

WSM Piston Kit - Honda 420 - Standard 50-231K Piston Ring Set Simple swivel mountingQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves