WSM Top End Kit - .25mm - Yamaha 54-540-11 MTB Lock-On Grips Perforations in the Waist Straps

Perforations in the Waist Straps

The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only

Enhanced sonic evacuation provides for higher flow and increased power

2022 KTM RC 390 - - 2012-2020 KTM Freeride 350 - - 2012-2019 KTM 250 Duke - - 2012-2016 KTM 500 XC-W - - 2012-2015 KTM 500 EXC-W - - 2011-2022 KTM 390 Duke - - 2011-2021 KTM 125 Duke - - 2011-2020 KTM 350 EXC-F Six Days - - 2011-2017

The kit consists of 4 injection molded rubber boots and 4 aluminum velocity stacks

WSM Top End Kit - .25mm - Yamaha 54-540-11 MTB Lock-On Grips Perforations in the Waist StrapsTop quality piston kit Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4 stroke models