Willy's Fuel Pressure Regulator, 3 to 10 psi, In-Line, 8 AN Female O-Ring Inlet, 8 AN Female O-Ring Outlet, Aluminum, Black Anodized, Alcohol, Each
WCD791 Willy's load related fuel pressure regulator with anodized billet aluminum construction automatically adjusts fuel pressure according to manifold vacuum. At idle or deceleration, when manifold vacuum is high, regulator opens and drops fuel pressure for clean restarts and keeps carburetor from flooding or blubbering in corner. As throttle is opened, manifold vacuum drops which closes regulator and raises pressure for proper straightaway fuel mixture. Easy installation – requires fuel return line and vacuum port (base plate or intake manifold)
We deliver worldwide and to almost all countries. Call us at 704-871-0721 to get help with large international orders and we can help manually check the shipping for you. MORE INFO BELOW in Shipping Info section.
We accept returns for up to 30 days from the purchase date. To be eligible for a return, your item must be unused and in the same condition that you received it. More Return Info below.
Willy's Carb and Dyno load related fuel pressure regulator with anodized billet aluminum construction automatically adjusts fuel pressure according to manifold vacuum. Under high manifold vacuum conditions, Willy's regulator drops fuel pressure for clean restarts and prevents the carburetor from flooding. As the throttle is opened, manifold vacuum drops, which closes the regulator and raises pressure for proper straightaway fuel mixture.
Available for Belt Drive pump.
Load related fuel pressure regulator with anodized billet aluminum construction automatically adjusts fuel pressure according to manifold vacuum. Available for Race, Belt Drive, and Mechanical pumps.
The anodized billet aluminum construction automatically adjusts fuel pressure according to the manifold vacuum. At idle or deceleration, when the manifold vacuum is high, the regulator opens and drops fuel pressure for clean restarts and keeps the carburetor from flooding or blubbering in the corner. As the throttle is opened, the manifold vacuum drops, which closes the regulator and raises pressure for proper straightaway fuel mixture. It’s easy to install and requires a fuel return line and vacuum port (base plate or intake manifold).
Adjustment Range Low
Adjustment Range High
Return Port Size
Return Port Style
Return Port O-Ring
Gauge Port Size
1/8 in NPT
Gauge Port Style
Fitting 1 Quantity
Fitting 1 Side A Size
Fitting 1 Side A Style
Fitting 1 Side A O-Ring
Fitting 1 Side B Size
Fitting 1 Side B Style
Belt Driven Fuel Pump
Products typically ship out between the same day and 1-3 days. Depending on the time/day ordered and the product type. Some products are made to order to spec and will ship once built. Feel free to call us at 704-871-0721 if you have any questions about shipping. Also call us if you are ordering large items like race car bodies as those are hard for the freight system to calculate sometimes and it will overestimate. Thank you.
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. If the return is not based on a mistake on our part, a 15% restocking fee will apply.
Several types of goods are exempt from being returned. We also do not accept products that are hazardous materials, flammable liquids, or gases.
Additional non-returnable items:
* Gift cards
* Downloadable software products
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer. *Special cases might be returned to the manufacturer*
There are certain situations where only partial refunds are granted: (if applicable)
* Book with obvious signs of use
* Any item not in its original condition, that is damaged, or is missing parts for reasons not due to our error.
* Any item that is returned more than 30 days after delivery
Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted.
Next, contact your bank. There is often some processing time before a refund is posted.
If you’ve done all of this and you still have not received your refund yet, please contact us at firstname.lastname@example.org.
Sale items (if applicable)
Only regular priced items may be refunded, unfortunately, sale items cannot be refunded.
Exchanges (if applicable)
We only replace items if they are defective or damaged, or if we made the mistake. If you need to exchange it for the same item, send us an email at email@example.com and send your item to 304 5th Creek Road, Statesville, NC, 28625, United States.
To return your product, you should mail your product to:
304 5th Creek Road, Statesville, NC, 28625, United States.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live, the time it may take for your exchanged product to reach you may vary.
If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.