SKU: 68793107679

Holley Carburettor & EFI Fuel Pressure Regulator (HO12-879)

Sale price$215.55 Regular price$239.50
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Description

Holley Carburettor & EFI Fuel Pressure Regulator (HO12-879)HO12 879 BILLET FUEL REG 4 65 PSI 4 65 PSI, x2 3 8" NPT Inlet Outlet & x1 3 8" NPT Return With 1 8" Vacuum Port Part Number: HO12 879 Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061 T6 billet aluminium for strength and durability. These regulators are adjustable from 4 65 psi and will handle both carbureted and EFI applications. They are offered with two port

HO12-879 - BILLET FUEL REG 4-65 PSI

4-65 PSI, x2 3/8" NPT Inlet/Outlet & x1 3/8" NPT Return With 1/8" Vacuum Port

Part Number: HO12-879

Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminium for strength and durability. These regulators are adjustable from 4-65 psi and will handle both carbureted and EFI applications. They are offered with two port sizes, 3/8" NPT or 6AN to adapt to your new or existing fuel lines. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, these regulators will have you covered either way.
Features:
Adjustable from 4-65 psi for precise fuel pressure adjustments
Constructed of billet aluminium with a black anodized base and a clear anodized top for good looks
Used in systems with a return line back to the tank
(1) 3/8” NPT Inlet; (1) 3/8” NPT Outlet; and (1) 3/8” NPT Return Port
Includes fitting for manifold reference
Includes an 1/8 NPT gauge port
Boost Reference - 1:1

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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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
SKU: 68793107679

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Chet Alexander
Carnegie, US
★★★★★ 4
Good buy
Size: 48W x 28L Big, Color: Overdyed Black
Good fit
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Reviewed in the United States on January 8, 2026
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Wade
San Leandro, US
★★★★★ 5
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Size: 36W x 36L, Color: Vintage Indigo
I generally do not buy wranglers, but needed some work jeans, nice loose fit, very comfortable, size 36x36 waas spot on
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Reviewed in the United States on April 17, 2026
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Gary
West Palm Beach, US
★★★★★ 5
Muy bueno pantalones. Ordering a few more pairs
Size: 48W x 30L Big, Color: Vintage Indigo
God bless the USA
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Reviewed in the United States on June 8, 2026
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Zac
Lake Worth, US
★★★★★ 5
I’m satisfied
Size: 42W x 34L Long, Color: Antique Navy
Fits great, and the pair I had previously are going on 4 years old and still wearable. Definitely worth the price
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Reviewed in the United States on May 19, 2026
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blkftbear
Houston, US
★★★★★ 5
Jeans that fit!!!!!!!*
Size: 38W x 36L, Color: Antique Navy
These jeans are a good fit for me. Very satisfied.
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Reviewed in the United States on May 23, 2026

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