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Aircooled.Net Inc.
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We rely heavily on email as the most efficient and accurate way to serve our customers. Please only contact us by PHONE if you are unable to email for some reason, or if your situation (or tech question) is complicated.

We do NOT offer "formal" phone hours, but instead RETURN ALL MESSAGES (usually within 1-2 business days) at a time when we are able to focus on your situation/questions and aren't preoccupied with the flurry of shipments that we are shipping to waiting customers in the busy part of our day. We return calls DURING THE DAY at various times throughout the week as time allows, so please be prepared to wait a few days for us to call you back. If you are phoning for status of a backorder or order in process, you may receive your reply by EMAIL.


  VW Parts Catalog > Carbs & Fuel System >

Weber IDF & IDA Main Jet, 73401
Weber IDF & IDA Main Jet


 
Aircooled.Net only carries ORIGINAL Weber JETS FROM ITALY, we do not carry Chinese reproductions which do not flow properly! These are all genuine Weber jets which have been flow tested at the factory. Our jetting guide down below will really help you dial in your carb!

Jets are sized in "milimeters", so a "50" jet is very close to .5mm. Actually they are rated on flow not size, after they are measured on a flow machine. That's why drilling and reaming jets is not necessarily a good idea, since drilling or reaming can result in a 55 idle flowing more than a 60 idle, based on orifice length and entry/exit radius, etc.

Price: $7.00
Item eligible for Econo/1st Class Mail shipment, min ship charge applies

PN: 73401

Select Jet Size



Qty:
Product Overview
 
Aircooled.Net only carries ORIGINAL Weber JETS FROM ITALY, we do not carry Chinese reproductions which do not flow properly! These are all genuine Weber jets which have been flow tested at the factory.
Item Features
We are aware that we are a little more expensive than other suppliers of Weber jets, but here is why you should use Aircooled.Net. First, we only sell genuine Weber jets from Italy! Secondly, we will tell you the correct jet sizes to minimize your jet expense, and your valuable time tuning! Other shops that aren't proficient at Weber Tuning will be happy to sell you jets at $4 ea, and you'll wind up with 6 sizes (24 jets) that you don't need! That makes no sense! By buying from us you will not spend more than you have to, our experience will keep your costs down, while providing the highest quality parts.

With that out of the way, we recommend the following main jet sizes for sea level driving for the Weber IDF & IDA

Venturi/Main

28/ 115, 30/120, 32/130, 34/140, 36/150, 38/155, 40/160, 42/170, 44/180

This will get you pretty close! Remember you can ALWAYS give us a shout for a more detailed and specific recommendation.

Also, NEVER EVER use F7 emulsion tubes on dual carbs! F7s are for centermounts, or if you have >750cc/cylinder. Drop the size "1" for every 1k' rise above sea level. So if you have dual IDFs in Denver (5k') you'd need main jets around "5" smaller than at sea level.


Related Items...
Weber IDF & IDA Air Jet, 77401
Price: $7.00
Item eligible for Econo/1st Class Mail shipment, min ship charge applies
Weber IDF & IDA Air Jet, 77401
Weber IDF & DCNF Idle Jets, 74405
Price: $7.00
Item eligible for Econo/1st Class Mail shipment, min ship charge applies
Weber IDF & DCNF Idle Jets

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SITE USE DISCLAIMER ** PLEASE NOTE **: Product availability can vary and short-term backorders are common. Immediate shipment of requested products is NOT guaranteed. Orders are processed in the order that they are received and order fulfillment time varies. Product Images are representative only. Actual product may differ in appearance. Although every effort has been made to provide accurate pricing and product technical and vehicle application information, THIS CATALOG MAY CONTAIN ERRORS (typographical, photographic, or informational). Product prices are subject to change without obligation. In most cases we are able to honor advertised price, but in the RARE case a substantial price increase occurs, you would be notified and given the option to cancel. All information provided by Aircooled.Net (via website or email) is for USE AT YOUR OWN RISK. All products purchased should be inspected, measured, cleaned and properly assembled prior to installation. Since Aircooled.Net has no control over product installation, we will not be held liable for any consequential costs or damages associated with products purchased.