Fitment:
Replacement for Honda TRX500 Foreman and Rubicon all models
Replacement for Honda TRX500 FM/FE/FPE/FPM Fourtrax Foreman 500 4x4 2012-2019
Replacement for Honda TRX500 FA/FM Foreman Rubicon 500 4x4 2015-2019
Replacement for Honda SXS500M2 Pioneer 500 2015-2021

Replacement part number:
Cylinder: 12100-HR0-F00
Piston: 13101-HR0-F00
Cylinder Base Gasket: 12191-HR0-F01
Cylinder Head Gasket: 12251-HR0-F01
Cylinder Head Cover Gasket: 12315-HR0-F01
Ring Set: 13010-HP0-A01
Pin, piston: 13111-HP5-600
Circlips, piston: 13112-MAT-000

Features:
Kit includes piston, rings, pin, clips, top end gasket kit (you get exactly what is pictured)
Piston dome is anodized for superior heat resistance and longer lifespan