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![12-841KIT Billet Bypass Fuel Pressure Regulator Kit, 4.5-9 psi [3/8 in. NPT Inlet/Outlet/Return]](https://www.jegs.com/images/mini_750/500/510/510-12-841kit.jpg)
Vehicle Info Needed12-841KIT Billet Bypass Fuel Pressure Regulator Kit, 4.5-9 psi [3/8 in. NPT Inlet/Outlet/Return]
Ships on Sep 04, 2026
Lowest Price Guarantee- (3) 3/8 in. NPT to -6AN Fittings
- (1) Fuel Pressure Gauge
Holley 12-841KIT Features:
The Holley Billet Bypass Fuel Pressure Regulator Kit includes a durable billet aluminum body with a sleek black finish, offering corrosion resistance and an attractive appearance. The regulator has 3/8-inch NPT in/out/return ports and a 1/8-inch NPT gauge port and comes with (3) Mr. Gasket 3/8-inch NPT to -6 AN fittings. Additionally, the kit features a barbed fitting for the vacuum port, a sturdy mounting bracket, and all necessary hardware for easy installation.
Precision-Built Fuel Pressure Regulators For EFI and Carburetors
Holley Billet Fuel Pressure Regulators are available in a variety of configurations and engineered to provide smooth and stable fuel pressure delivery under any conditions from idle to full throttle. Each precision-machined, 6061-T6 billet aluminum regulator features an anodized body and top for corrosion resistance and durable performance.
