CP MX1026-P piston kit for the Yamaha YFZ450 and YFZ450R 2004-2025.
Rings, clips, and pin all included.
Project X pro piston kit.
Profiled pin bore
Updated thinner rings.
Redesigned for more power and durability.
95mm bore (stock)
13.5:1 compression ratio.
This piston is for use with the stock rod, Carrillo rod #PSR8808, or another stock replacement rod.