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Holley 12-303 255 Lph Oe Style Efi Fuel Tank Modules

  • $600.57
  • Regular price $857.96

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Vendor: Holley

Type: Fuel Pumps & Accessories

Sku: WBCARB078TJGNGV

Available: Available

UPC: 090127029046

- No EU import duties.
- Ships within 3-5 business days. (USA)
- Ships with 8-12 business days. (International)

  ⚠️ California Proposition 65 Warning :
   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 12-303 255 Lph Oe Style Efi Fuel Tank Modules

$600.57

FAQs

Have a question ? We are here to help.

Yes, we offer free standard shipping on all orders within the United States.

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.

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 is the flow rate of the Holley 12-303 fuel pump module? A: The Holley 12-303 fuel pump module flows two hundred fifty-five liters per hour. This high flow rate is essential for supporting electronic fuel injection systems.
  • Q: What are the dimensions of the Holley 12-303 fuel pump module? A: The dimensions are fourteen point zero two inches in length, twelve point five two inches in width, and nine point five inches in height. These dimensions allow for easy installation in compatible vehicles.
  • Q: What material is the Holley 12-303 made of? A: The Holley 12-303 is made of aluminum. This material provides durability while keeping the weight manageable for installation.
  • Q: How do I install the Holley 12-303 fuel pump module? A: You can install the Holley 12-303 module by replacing your existing factory pick-up and sending unit. Simply connect the outlet of the module to the factory hard line using EFI-rated fuel hose.
  • Q: Is the Holley 12-303 compatible with all vehicles? A: No, the Holley 12-303 is specifically designed for use in 1968 to 1972 Chevelle, Malibu, and El Camino models. Ensure your vehicle is compatible before purchase.
  • Q: Do I need to purchase a separate fuel pressure regulator for the Holley 12-303? A: No, you do not need a separate fuel pressure regulator. The Holley 12-303 has an internal pressure regulation set to fifty-eight psi.
  • Q: How do I maintain the Holley 12-303 fuel pump module? A: To maintain the Holley 12-303, ensure that the fuel tank is clean and free of contaminants. Regularly check for any fuel leaks during operation.
  • Q: Can I use the Holley 12-303 in a performance application? A: Yes, the Holley 12-303 can support engines producing up to five hundred fifty horsepower. This makes it suitable for high-performance applications.
  • Q: Is the Holley 12-303 safe for use with ethanol fuel? A: Yes, the Holley 12-303 is designed to be compatible with ethanol-blended fuels. However, always check manufacturer guidelines for specific ethanol concentrations.
  • Q: What features help prevent fuel starvation with the Holley 12-303? A: The Holley 12-303 includes a HydraMat filter that reduces fuel starvation during cornering and low fuel conditions. This innovative design ensures a steady supply of fuel.
  • Q: What should I do if the Holley 12-303 arrives damaged? A: If the Holley 12-303 arrives damaged, contact the seller immediately to initiate a return or replacement process. Keep all original packaging for the return.
  • Q: Does the Holley 12-303 come with a warranty? A: Yes, the Holley 12-303 typically comes with a manufacturer warranty. Check the product details for specific warranty terms and conditions.
  • Q: How much horsepower can the Holley 12-303 support? A: The Holley 12-303 can support engines producing up to five hundred fifty horsepower. This capacity makes it ideal for performance upgrades.
  • Q: Is a return line necessary when using the Holley 12-303? A: No, a return line is not necessary. The Holley 12-303 returns excess fuel directly inside the tank, simplifying installation.
  • Q: Can I use the Holley 12-303 with PWM systems? A: No, the Holley 12-303 is not compatible with pulse-width modulation systems. Ensure your setup does not utilize PWM for optimal performance.

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