PROX Steel Exhaust Valve Conversion Kit - Yamaha YZ450F 28.SES2444-1 suzuki-ay-50-katana-w-50-1998-esi2845459 Setting Range: 3

Setting Range: 3

0 Speed_index: s <180 km/h tire_category: racing grooved (street legal) tire_family: motorcycle & scooter tires tire_load_index: 61

and the large shell 1550 +/- 50 gr

0 Color: Black Materials: Steel Rear Teeth: 37

Ufo chainlids - black - yamaha (YA03809#001)

PROX Steel Exhaust Valve Conversion Kit - Yamaha YZ450F 28.SES2444-1 suzuki-ay-50-katana-w-50-1998-esi2845459 Setting Range: 3The Prox Valve Are made by the leading oem factors in japan and are a direct and cost efficient oem replacement. Prox Steel Valves Can Be Used in Combination With All The Oem Valve Train Components Like Valve Springs, Guides, Bases and Retainers. Manufactured by the Leading Oem Factories in Japan Made to Exact Oem Specs and Tolerances The Steel Valves Are A Direct and Cost Effect Oem Replacement