This billet bypass-style fuel pressure regulator kit features a black-finished billet aluminum body for corrosion resistance. It includes 3/8" NPT inlet/outlet ports, a 1/8" NPT gauge port, three Mr. Gasket 3/8" NPT-to-6AN fittings, a barbed vacuum port fitting, a mounting bracket, and all necessary hardware.
Specifications:
- Pressure Range: 4.5-9 PSI
- Fuel System: Carbureted
- Fuel Type: Gasoline
- Inlet Size: 3/8" NPT
- Outlet Size: 3/8" NPT (x2)
- AN Fittings: 3x Mr. Gasket 3/8" NPT to -6 AN (481666-BL)
- Gauge Port: Yes, 1/8" NPT, includes Earl's gauge (100187ERL)
- Material: Aluminum
- Color/Finish: Black
- Mounting Hardware: Included
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 12-840KIT
FAQ
What pressure range does this regulator adjust across?
4.5-9 PSI.
What fittings are included?
Three Mr. Gasket 3/8" NPT to -6 AN fittings (481666-BL), plus a barbed vacuum port fitting.
What's included in the kit?
The regulator, a fuel pressure gauge, AN adapter fittings, a mounting bracket, and hardware.
What port sizes does the regulator body use?
3/8" NPT inlet and outlet ports, plus a 1/8" NPT gauge port.

