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Fuelab 51506-1-S-G Series EFI Fuel Pressure Regulator - 515 6AN/-10AN

Manufacturer

Picture for manufacturer Fuelab

Part Number

51506-1-S-G
6 reviews
Sale Price

$204.34

Estimated ship date Sunday, November 22

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Product Details

The Fuelab 51506-1-S-G is a 515 Series adjustable fuel pressure regulator engineered for EFI applications, delivering precise fuel pressure control and exceptional build quality. Designed with performance and flexibility in mind, this regulator accepts both port style and non-port style union fittings without interference, making installation straightforward across various fuel system configurations.

Key Features:

  • Dual -6AN or -10AN inlet ports and one -6AN return port for versatile plumbing options
  • EFI-optimized pressure range supporting up to 125 PSID for high-performance fuel injection systems
  • Compatible with gasoline, diesel, methanol, and ethanol fuels
  • Premium billet aluminum construction with Type II anodizing per military spec MIL-A-8625
  • Fine thread pitch adjustment screw for precise pressure tuning
  • 1/8 NPT gauge port with plug for external pressure monitoring
  • 1/8 NPT pressure reference port with barbed fitting for manifold vacuum/boost reference
  • Versatile mounting bracket included with stainless steel hardware
  • -6AN return port conveniently located on the bottom

The 515 Series regulator combines precision engineering with durable construction, making it an excellent choice for EFI applications ranging from street performance to racing. Backed by Fuelab's 2-year limited warranty.

Products specifications

Range

90-125 psi

Size

(2) -6AN Inlets, (1) -6AN Return

Fast shipping, good customer service!

Lowest price, fast shipping. Thanks!

Autoplicity agent was very helpful over the phone. He answered all my questions & even did some research to make me feel comfortable I was getting the appropriate parts I needed for my car. I was very pleased & will shop Autoplicity again.

Everything went smoothly, love the prices and the ease of transaction, hope to buy from you real soon, Nice people.

Best price on the net! Haven't got my order yet, it just shipped so we will see from there.

The shipping was fast, although I couldn't get it the first day because they require signature for delivery. I guess it's an added safety measure. Thank you! Will shop buy from again!

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