This kit makes it possible to easily mount Highsider handle accessories on your Yamaha

they have a rounded ok rear

Adaptation and functionality:

✔️ Soft and compliant fit

Amber for safety: Stand out clearly in traffic without blinding

PROX Steel Intake Valve Conversion Kit - Yamaha YZ450F 28.SIS2444-2 buell-xb9r-firebolt-900-2007-esi3312765 This kit makes it possibleThe 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