PISTON KIT VERTEX 58.0 A YAMAHA YZ/WR 144 05-19, VERTEX 23335A OS +4.00 BIG
All Vertex Pistons Feature YAMAHA YZ 144 2005-2019 BIG BORE. YAMAHA WR 144 2005-2019 BIG BORE. Piston (Std) UR PURPLE 1C3-11631-01-D0 1C3-11631-03-D0. Piston (Std) UR GREEN 1C3-11631-01-C0 1C3-11631-03-C0.