Rings, Yamaha FZR400RR, 57.0mm
These are Direct Replacement rings for a 4th oversize Yamaha FZR400R, FZR400RR and FZR400RRSP piston. They are manufactured in Japan by the original OEM for G-Force on a special run. Equivalent Yamaha part number is 1WG-11610-40-00. Priced per cylinder.