Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
Billet Bypass Fuel Pressure Regulator Kit 4.5-9 Psi W/Fittings & Gauge-12-840KITHolley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12 840 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 3 8" NPT in out ports, a 1 8" NPT gauge port. In addition, 3 Mr. Gasket 3 8" NPT to 6 AN fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are
Holley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-840 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 3/8" NPT in/out ports, a 1/8" NPT gauge port. In addition, 3 Mr. Gasket 3/8" NPT to -6 AN 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 4.5-9 psi for precise fuel pressure adjustments
- 3/8” NPT Inlet, Outlet Ports
- 1/8” NPT Gauge Port and Earl's Fuel Pressure Gauge (100187ERL)
- Mr. Gasket 3/8” NPT to -6 AN fittings (481666-BL x3)
- 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 2274 reviews
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Product Reviews
★★★★★ 5
Service
Size: 14-22 2.0L hybrid
Looks like engine air filter, it’s smaller than needed; but needs to be compared. Haven’t looked at air cabin yet
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Perfect for my Honda Accord 2022
Size: 14-22 2.0L hybrid
Perfect for my 2022 Honda Accord hybrid EXL.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
★★★★★ 5
Amazing
Size: 18-22 2.0L
Great quality and the price is amazing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 5
It works and fits
Size: 14-22 2.0L hybrid
Worked perfectly.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Beautiful
Size: 18-22 1.5L
I love it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
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