Part No. 56-W4785.WI.HC
Gas-Gas EC 450 F (2013 - 2015)
Yamaha WR450F (2003 - 2014)
Yamaha YZ450F (2003 - 2009)

Dedicated forging for lightweight and superior strength Race ready dome design for improved combustion flow Armor glide skirt coating provides reduced friction (racing applications only) Piston kit includes piston, rings, wrist pin and circlips Oversize requires cylinder sleeving
Bore Size: 95.00mm 13.5:1 Hi-Compression

Nikasil Bore Skirt Coated