21-23 Yamaha WR450F WR 450F 97mm 13.5:1 CP Piston Full RACE CT Coated Piston Kit Defender HD8 800 Whether you're a casual trail

Whether you're a casual trail rider or an aspiring pro racer

Expertly crafted from C674 bronze

This is the perfect easy to install upgrade

Designed for all Yamaha Banshee ATV models and years

YAMAHA BIG BEAR 2WD

21-23 Yamaha WR450F WR 450F 97mm 13.5:1 CP Piston Full RACE CT Coated Piston Kit Defender HD8 800 Whether you're a casual trailMX1111, MX1110, B2W 116A0 00 00, B2W 11631 00 00, B2W 11603 00 00, BR9 11633 00 00, BR9 11633 10 00, 93450 19052 00 CP Pistons MX1110 21 23 Yamaha WR450F 13. 5: 1 97mm STD Bore 449cc Piston Kit Pro Race Piston Kit Outperform the Competition with the CP Carrillo Pro Race Piston Kit 97mm bore size and 13. 5: 1 compression for maximum displacement and power Ceramic piston crown coating for improved thermal efficiency and fuel burn DLC coated wrist pin