The DeatschWerks DWR550c Carbureted Fuel Pressure Regulator is now available in complete configurations with fittings and a fuel pressure gauge, making it easier to build a carbureted fuel system with the connections and pressure monitoring you need.
Designed for high-output fuel systems, the DWR550c delivers precise and stable pressure control with an adjustable 3–10 PSI range. Its return-style design, multiple port configurations, and broad fuel compatibility provide the flexibility needed for demanding carbureted applications, whether you're using an electric in-tank, electric inline, or mechanical fuel pump.
Features & Benefits
- Adjustable 3–10 PSI pressure range for carbureted fuel systems
- 550 LPH / 145 GPH at 6 PSI – Supports up to 1400 HP
- 750 LPH / 198 GPH at 10 PSI – Supports up to 2000 HP
- Four -6AN ORB inlet/outlet ports with a dedicated -6AN ORB return
- Compatible with gasoline, ethanol, and methanol
- Works with electric in-tank, inline, and mechanical pumps
- 35mm nylon-reinforced nitrile diaphragm with 304 stainless steel spring
- Stainless steel mounting bracket included
New Fitting & Gauge Kits
The DWR550c is now available with pre-configured fitting and gauge packages, giving builders a more complete solution without having to source the individual components separately.
PN: 6-0550-FRB-38
Compact carbureted fuel pressure regulator with 3/8" hose barb fittings and fuel pressure gauge.
MSRP: $199
PN: 6-0550-FRB-66
Compact carbureted fuel pressure regulator with -6AN fittings and fuel pressure gauge.
MSRP: $199
PN: 6-0550-FRB-88
Compact carbureted fuel pressure regulator with -8AN fittings and fuel pressure gauge.
MSRP: $199
Regulator Only
PN: 6-0550-FRB
Compact adjustable carbureted fuel pressure regulator supplied without fittings or gauge.
MSRP: $139
Fuel Pressure Gauges
New 0–15 PSI mechanical fuel pressure gauges are also available separately in air-filled and liquid-filled configurations.
PN: 6-01-G3
1/8" NPT mechanical fuel pressure gauge with brushed housing.
MSRP: $25
PN: 6-01-G3L
1/8" NPT mechanical fuel pressure gauge with brushed housing and liquid-filled construction.
MSRP: $29
This product may be used solely on vehicles used in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemption.