KTM VERTEX TOP END PISTON KIT BEARING GASKET KTM SX50 SIZE 39.48EF 2009-2023
£64.98
Fits KTM SX50 2009-2023 39.5mm bore, graded size EF 39.48. The clearance is to allow for piston expansion when it heats up. This heat treating process is cutting edge technology for this type of aluminium alloys.
