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Holley 12-840 Adjustable Billet Fuel Pressure Regulator, 4.5-9 PSI, Black Anodized, Aluminum, 3/8" NTP Ports
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Vendor: Holley
Type: Fuel Injection
Sku: WBCARB0051NO23C
Available: Available
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
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Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
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Holley 12-840 Adjustable Billet Fuel Pressure Regulator, 4.5-9 PSI, Black Anodized, Aluminum, 3/8" NTP Ports
$174.87
FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
- Q: What are the dimensions of the Holley 12-840 fuel pressure regulator? A: The dimensions of the package are approximately nine point six five two centimeters in length, six point six zero four centimeters in height, and nine point one four four centimeters in width.
- Q: What material is the Holley 12-840 fuel pressure regulator made of? A: The Holley 12-840 fuel pressure regulator is made from aluminum, which provides durability and resistance to corrosion.
- Q: What is the weight of the Holley 12-840 fuel pressure regulator? A: The package weight of the Holley 12-840 fuel pressure regulator is zero point two pounds.
- Q: How do I install the Holley 12-840 fuel pressure regulator? A: To install the Holley 12-840 fuel pressure regulator, use the included mounting plate for easy installation. Ensure it is connected securely to the fuel line.
- Q: Is the Holley 12-840 fuel pressure regulator adjustable? A: Yes, the Holley 12-840 fuel pressure regulator is adjustable with a range of four point five to nine PSI, allowing for customized fuel pressure settings.
- Q: Does the Holley 12-840 have a gauge port? A: Yes, the Holley 12-840 features a one eighth inch NPT gauge port for monitoring fuel pressure easily.
- Q: How do I maintain the Holley 12-840 fuel pressure regulator? A: To maintain the Holley 12-840, regularly inspect for leaks and ensure connections are tight. Clean the regulator as needed to prevent debris buildup.
- Q: Can I use the Holley 12-840 with all types of fuel? A: Yes, the Holley 12-840 is compatible with various fuel types, but always check manufacturer guidelines for specific applications.
- Q: Is the Holley 12-840 safe for high-performance engines? A: Yes, the Holley 12-840 is designed for high-performance applications, providing reliable fuel pressure regulation for demanding engines.
- Q: What if I receive a damaged Holley 12-840 fuel pressure regulator? A: If you receive a damaged Holley 12-840 fuel pressure regulator, contact the seller immediately to initiate a return or exchange.
- Q: What warranty does the Holley 12-840 come with? A: The Holley 12-840 typically comes with a manufacturer's warranty, which may vary, so please check the specific warranty details with the retailer.
- Q: How can I tell if my Holley 12-840 is malfunctioning? A: Signs of a malfunctioning Holley 12-840 include inconsistent fuel pressure readings or engine performance issues. Inspect for leaks and ensure proper installation.
- Q: Is the Holley 12-840 easy to install for beginners? A: Yes, the Holley 12-840 is designed for easy installation with the included mounting plate, making it suitable for beginners with basic automotive skills.
- Q: Can I adjust the fuel pressure on the Holley 12-840 while it’s installed? A: Yes, you can adjust the fuel pressure on the Holley 12-840 while it is installed, but ensure the engine is off and safely cooled down before making adjustments.
- Q: Does the Holley 12-840 require any special tools for installation? A: Generally, the Holley 12-840 requires standard automotive tools for installation, such as wrenches and screwdrivers, which are commonly found in most toolkits.