18-20 Yamaha YZ450F YZ 450F 102mm 500cc Big Bore Athena CP 141 RACE Piston Kit

  
Athena / CP Carrillo / AZ Quad Parts Conglomerate Kit. 102mm 500cc Big Bore CP Custom Piston Kit!

For Athena Big Bore Kit Part # P400485100068. Fits Yamaha YZ450F Years 2018 2019 & Yamaha YZ450FX 2019 & 2020. CP Cariilo Piston Kit (Includes, Piston, Pin, Rings & Clips) (AZ Quad Parts). 14:1 Compression Ratio (Race Gas Only). Works With Up To +2mm Larger Valves!