
Sinister Diesel Regulated Fuel Return Kit for 2003–2007 Ford 6.0L Power Stroke
Adjust and monitor fuel pressure on your 2003–2007 Ford F-250 or F-350 Super Duty with the Sinister Diesel Regulated Fuel Return Kit for the 6.0L Power Stroke diesel engine.
An adjustable fuel regulator and oil-filled pressure gauge put fuel-pressure adjustment and monitoring in one package. CNC-machined billet aluminum components, stainless steel braided fuel lines and nickel-plated fittings provide a durable construction, finished with distinctive blue anodizing.
Key features
- Adjustable fuel regulator for fuel-pressure control.
- Oil-filled fuel pressure gauge for monitoring.
- CNC-machined billet aluminum components.
- Stainless steel braided fuel lines and nickel-plated fittings.
- Blue anodized finish.
Vehicle fitment
- 2003–2007 Ford F-250 and F-350 Super Duty.
- 6.0L Power Stroke diesel engine.
What's included
- Sinister Diesel fuel filter block.
- Adjustable fuel regulator.
- Oil-filled fuel pressure gauge.
- New high-flow fuel lines.
- Retaining clips.
- Protective cover for braided lines.
Installation requirements and recommendations
A 3/8-inch quick-disconnect tool is required for installation.
Sinister Diesel strongly recommends installing a lift pump or fuel-air separator with additional filtration to support kit longevity. These recommended components are not listed among the included kit contents.
Sales restriction
Not for sale in California.
Part number: SD-FUELREG-6.0.

