Description
Holley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-841 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 3/8″ NPT return port, a 1/8″ NPT gauge port. In addition, 3 adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included.
Features:
- Adjustable from 4.5-9 psi for precise fuel pressure adjustments
- Used in return style systems with a line back to the fuel tank
- 38″ NPT Ports
- 1/8” NPT Gauge Port and Earl’s Fuel Pressure Gauge (100187ERL)
- Fuel Gauge and adapter fittings included
- Mounting Bracket Included
FEATURES
- Designed to deliver trouble-free, consistent performance
- Right for your vehicle and lifestyle
- Made from high-quality materials for ultimate durability
- Manufactured to meet or exceed strict quality requirements
- If you have any questions or need fitment information for your vehicle, please contact with us





