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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Billet Bypass Fuel Pressure Regulator Kit 15-60 Psi W/Fittings & Gauge-12-846KITHolley EFI Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12 846 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 8 AN in out ports, a 6 AN return port, a 1 8" NPT gauge port, and a 1 8" NPT vacuum port for Boost Reference (1: 1). In addition, 3 adapter fittings, a barbed fitting for the vacuum
Holley EFI Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-846 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 8 AN in/out ports, a 6 AN return port, a 1/8" NPT gauge port, and a 1/8" NPT vacuum port for Boost Reference (1:1). In addition, 3 adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included.
Features:
- Die Cast Aluminum Construction
- Adjustable from 15-60 psi for precise fuel pressure adjustments
- Used in return style systems with a line back to the fuel tank
- 8 AN O-ring Inlet, Outlet, and 6 AN O-ring Return Port
- 1/8” NPT Gauge Port and Earl's Fuel Pressure Gauge (100187ERL)
- 1/8" NPT Boost Reference (1:1) and Barbed Fitting
- Mounting Bracket Included
FEATURES
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 1185 reviews
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Product Reviews
★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Will buy again!
Configuration: 4-Stroke, Size: 1 GA, Configuration: 4-Stroke, Size: 1 GA
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Good
Configuration: 4-Stroke, Size: 1 GA, Case of 3
Good
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Reviewed in the United States on May 15, 2026
★★★★★ 4
Oily situation lol
Configuration: 4-Stroke, Size: 1 GA
Honestly how do you write a review of this product? I would have to run tests for years on multiple oils on various engines to do so. The value was good however and shipping was great
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Reviewed in the United States on March 31, 2025
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
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Reviewed in the United States on September 30, 2025