2008 - YFZ450
Fully CNC-machined and super-finished stems
Ideal for high-compression and forced induction applications
Custom piston that requires race gas or alcohol
09-21 RZR 170 RZR170 Cylinder Head Valves Rebuild Wiseco Piston & Namura Gaskets WR250F 2008 - YFZ45040143M06100,AU 09213I,AU 09213E,40143M06200,P400427600020 0455058, 0454523, 0454522, 0452390, 0452388, 0454515, 0454516, 0452387, 0452389, 0454514 ,NA 50007T, 0454459, 0454365, 0453451, 0452459, 0454363, 0454640, 0452808, 0454454, 0453672, 0452390, 0452417, 43977, C3596, C3596 EST, 191070359157 Polaris RZR 170 Top End Cylinder Head Rebuild Kit, Valves, Piston, & Gaskets! This complete cylinder head rebuild kit has everything you need to refresh your