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Fuelab 51505-4-L-T Series Fuel Pressure Regulator TBI Large Seat - 515

Manufacturer

Part Number

51505-4-L-T
Sale Price

$210.26

Estimated ship date Monday, November 23

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No Hassle Returns

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Product Details

The Fuelab 51505-4-L-T is a 515 Series adjustable fuel pressure regulator engineered for TBI (throttle body injection) applications with a large seat design. Built for performance and flexibility, 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 inlet ports and single -6AN return port (bottom-mounted) for flexible plumbing options
  • Adjustable pressure range suitable for TBI applications
  • Compatible with gasoline, diesel, methanol, and ethanol fuels
  • Precision-machined billet aluminum construction with Type II military-spec anodizing (MIL-A-8625)
  • Fine thread pitch adjustment mechanism for precise pressure tuning
  • 1/8 NPT gauge port with plug for external pressure monitoring
  • 1/8 NPT pressure reference port with barbed fitting included
  • Versatile mounting bracket with stainless steel hardware included
  • Backed by Fuelab's 2-year limited warranty

The 515 Series regulators are available in multiple configurations supporting carbureted applications as low as 1 PSID up to EFI applications requiring up to 125 PSID. This large seat TBI model delivers reliable fuel pressure control for throttle body injection systems with the durability and precision Fuelab is known for.

Products specifications

Range

10-25 psi

Size

(2) -10AN Inlets, (1) -6AN Return

Best price for the item I needed. Very fast shipping and there consumer service was great on the phone.

Fast shipping, good customer service!

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.

Super low prices! Quick check out options!

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