About our Carbs
We are the North American Distributor for Mikuni PHH carbs and parts. We ship worldwide. If you don't see what you need, drop us a line and ask. We are a stocking distributor for 40mm, 44mm, and even the 50mm PHH automotive sidedraft carbs.
All carb listings are pairs unless otherwise noted - Triples can be setup for Z-cars by request. See our custom carb and manifold gallery where the carbs are completely rebuilt, custom jetted and venturied to your application, mounted with refurbished insulators w/new o-rings. Ready to bolt on and go. Complete packages include 2 extra sets of jets and a copy of the Mikuni Tuning and Maintenance manual .Mikuni Carb Parts
MIKUNI CARB PARTS & ACCESSORIES
We are the North American Distributor for Mikuni PHH carbs and parts. We ship worldwide. 
If you don't see what you need, drop us a line and ask.
We are stocking distributor for 40mm, 44mm, and even the 50mm PHH automotive sidedraft carbs.
We are also a stocking distributor for Bill's B Racing Stack filters made exclusively for OEM Mikuni Airhorns.
Virtually every part is in stock. Let us know your needs.
WE HAVE MIKUNI JETS, CHOKES, VENTURIS, NEEDLE VALVES, INTAKE HORNS & MORE!!!!!!
We have all the Gaskets and Needle/Seats & Floats for 50mm carbs - in stock!!!
We also do competition prep to Mikuni carbs and Nissan Motorsports insulators. Ask for details.
| Examples: | 40mm Carbs | 44mm Carbs 50mm Carbs |
| 30mm Venturis 32mm Venturis 34mm Venturis 36mm Venturis |
34mm Venturis 38mm Venturis |
40 & 44mm carb venturis are OEM stock pieces @ $18 each, $72/set of 4
50mm Carb Venturis are custom WCR Billet units @ $125/set of 4 (can also be opened up to 39, 40, 42, 44, 45 size @ additional cost)
Mikuni Carb Diagrams, Parts, & Gasket Lists
Main Fuel Jets and Air Jets are $ 4.00 /ea
Pilot (Idle) Jets are $ 4.00/ea
Pump Jets are $ 6.00/ea
Needle valves for both 40's and 44's - 1.8 size and 2.0 size are $ 20 /ea S4 & Type Q are $27.50Accel Pump Diaphragms are $20 ea
Intake Horns for 44’s Carb sizes:
50 mm $30 each or $ 115/set of 4 Stack filters for these OEM MIKUNI Airhorns are $40 per pair.
Filter fits on air horn bell using patented lip lock technology with ![]()
radiased entry for great signal and air flow. Three layer stainless steel
filtering down to .009 with virtually no air flow restrictions.
Jet Blocks are $ 24/ea
K&N Style cleanable element filters in Chrome Housing...1 3/4" tall $35 ea, - 3" tall $40 ea (will not allow airhorns underneath)
Copy of the Mikuni Service Manual - Maintenance and tuning, doesn't get any more in depth than this!........$ 10.00
MIKUNI FACTORY REBUILD KITS FOR 40's or 44's are $25/carb. Kits do not include pump diaphragms or needle/seats.





