Upgrade Motoring is an Authorized Mikuni PHH Carburetor Parts Distributor. We have an extensive inventory of Genuine Mikuni PHH Carburetor parts, Made in Japan. We also offer many Replacement Alternatives or Reproductions of discontinued Mikuni parts. The Replacement Alternatives are indicated with a “-R” after the part number. We Ship Worldwide! Most orders ship out the same day or next day. Click on the links below for more information of each category. Please contact us if you can’t find what you are looking for. Thank you!

Main Replacement Parts Page – Gasket Rebuild Kits –

Main Jets – Air Jets –

Pilot Jets – Pump Nozzles –

Jetting Kits & Jetting Size Recommendation Chart –

Needle Valves – Jet Blocks & Bleed Pipes –

Venturi’s – Insulators & Optional Brackets and Levers –

Linkage & Manifolds – Solex 36PHH / 50PHH Parts –

Air Funnels & Filters – Fuel Related Parts & Other –

Merchandise