Yamaha FZR 1000 EXUP Oversized Intake + Exhaust Valves + Titanium Retainers

  
Set of 20 high performance valves and titanium retainers for the Yamaha FZR 1000 EXUP (1989+) and Thunderace 1000. Does not fit earlier FZR 1000 Genesis engines. The original intake retainers weight 4.6g and the titanium retainers weight 2,5g, 45% lighter.