Description
Part Number: AF49-4001R
Aeroflow Billet 2-Port Carburettor Fuel Pressure Regulator (Red Finish)
Precision-machined 6061-T6 billet aluminium fuel pressure regulator with 3/8″ NPT female ports, engineered for precise 1-11 PSI fuel delivery in carbureted performance engines.
Key Product Features
- ☑ Precision CNC-machined from high-grade 6061-T6 billet aluminium for strength and weight reduction.
- ☑ Durable red anodised coating provides superior corrosion protection and high-end engine bay aesthetics.
- ☑ Features two 3/8″ NPT female ports (1 inlet and 2 outlets) for flexible line routing and plumbing.
- ☑ Fully adjustable 1 to 11 PSI pressure range to perfectly match carburettor needle and seat requirements.
- ☑ Ideal direct replacement or performance upgrade for traditional Holley-style 2-port regulators.
- ☑ Fully compatible with pump petrol, E85 ethanol blends, racing alcohol, and diesel fuels.
- ☑ Supplied complete with a chrome-plated mounting bracket and fastening hardware for easy installation.
Technical Specifications
| Brand | Aeroflow Performance |
|---|---|
| Manufacturer Part Number (MPN) | AF49-4001R |
| Product Type | 2-Port Carburettor Fuel Pressure Regulator |
| Material | CNC Billet 6061-T6 Aluminium |
| Finish | Red Anodised |
| Port Configuration | 2-Port (3/8″ NPT Female Ports) |
| Adjustment Range | 1 – 11 PSI Adjustable |
| Fuel Compatibility | Petrol, E85 / Ethanol Blends, Racing Alcohol, Diesel |
| Application | Carburettor Fuel Systems Only (Non-EFI) |
What’s Included in the Box
- 1x Aeroflow Billet 2-Port Fuel Pressure Regulator – Red Anodised (AF49-4001R)
- 1x Chrome-Plated Steel Mounting Bracket
- Mounting Screws & Hardware Kit
Engineered to strict quality standards, Aeroflow Performance fuel components deliver proven reliability on the track and street. Order your AF49-4001R regulator from JP Racing today to benefit from expert technical advice and fast, dependable UK dispatch.







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