HP Billet Carbureted By Pass w/ Idle Bleed Fuel Pressure Regulator - 12-842
SKU: 7376658432

HP Billet Carbureted By Pass w/ Idle Bleed Fuel Pressure Regulator - 12-842

Sale price$179.95 Regular price$199.95
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Description

HP Billet Carbureted By Pass w/ Idle Bleed Fuel Pressure Regulator - 12-842Overview: 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 aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12 842 fuel pressure regulator features 3 8" NPT in out ports and a 3 8 NPT return port. Features: Adjustable from 4. 5 9

Overview:

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 aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12-842 fuel pressure regulator features 3/8" NPT in/out ports and a 3/8 NPT return port.

Features:

  • Adjustable from 4.5-9 psi for precise fuel pressure adjustments
  • Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
  • Utilizes a idle bleed for precise control of idle pressure
  • Used in systems with a return line back to tank
  • One 3/8" NPT inlet, one 3/8" NPT outlet and one 3/8" NPT return (or bypass)
  • 1/8" NPT gauge port
  • Comparable and interchangeable with popular Holley® 12-803BP regulator
  • Mounting bracket included

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley
Color Black Anodized
Emission Code 5
Fuel System Carbureted
Fuel Type Gasoline/Alcohol
Inlet Size 3/8 inch NPT
Material Aluminum
Outlet Size 3/8 inch NPT
Pressure Range 4.5-9 PSI
Product Type Fuel Pressure Regulator
Return Size 3/8 inch NPT
Style Bypass
Warning California Proposition 65
Warranty Limited 90 Day
Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
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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: 7376658432

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william leighton
Draper, US
★★★★★ 5
Lovely fit
Size: X-Large, Color: Royal Blue
Soft and comfortable.
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Reviewed in the United States on December 23, 2025
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Richard
Natrona Heights, US
★★★★★ 5
Replacing for size
Size: Large, Color: True Black
Product is fine. Just to small I will be doubling order quantity of same product
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Reviewed in the United States on April 2, 2026
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thomas deckman
Phoenix, US
★★★★★ 3
Runs Large
Size: X-Large, Color: Dreamy Coral
Seems to be an okay shirt. It’s a little boxy and Definitely not slim fit. I’m an xl tee shirt guy so that’s what ordered. The body fits more like a 2xl but it’s not bad enough to bother returning. Kind of hoping it shrinks after a couple washes
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Reviewed in the United States on May 1, 2026
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jackie
Lowell, US
★★★★★ 5
Great top
Size: Medium, Color: Dreamy Coral
Leigweight material nice color. My son loves it.
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Reviewed in the United States on December 29, 2025
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Amazon Customer
Alexandria, US
★★★★★ 5
Bad stitching
Size: Large, Color: Bright White
The shoulder seam missing stitching. So there was an inch hole in the seam. I stitched it myself but really should have returned for a replacement. I bought two others in different colors and the stitching was fine. I do love the fit of these t-shirts.
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Reviewed in the United States on May 12, 2026

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