Speedmaster®
Fuel Rail Mount Efi Downdraft Regulator [Rear Mount]
![Speedmaster® PCE139.1021.01 Fuel Rail Mount Efi Downdraft Regulator [Rear Mount]](https://product-arena.s3-us-west-1.amazonaws.com/ProcompElectronics/PCE139%20-%20Fuel%20Pressure%20Regulators/PCE139.1021.01/PCE139.1021.01.jpg?resizeid=224&resizeh=600&resizew=600)
![Speedmaster® PCE139.1021.01 Fuel Rail Mount Efi Downdraft Regulator [Rear Mount]](https://product-arena.s3-us-west-1.amazonaws.com/ProcompElectronics/PCE139%20-%20Fuel%20Pressure%20Regulators/PCE139.1021.01/PCE139.1021.01_A.jpg?resizeid=224&resizeh=600&resizew=600)
![Speedmaster® PCE139.1021.01 Fuel Rail Mount Efi Downdraft Regulator [Rear Mount]](https://product-arena.s3-us-west-1.amazonaws.com/ProcompElectronics/PCE139%20-%20Fuel%20Pressure%20Regulators/PCE139.1021.01/PCE139.1021.01_B.jpg?resizeid=224&resizeh=600&resizew=600)
![Speedmaster® PCE139.1021.01 Fuel Rail Mount Efi Downdraft Regulator [Rear Mount]](https://product-arena.s3-us-west-1.amazonaws.com/ProcompElectronics/PCE139%20-%20Fuel%20Pressure%20Regulators/PCE139.1021.01/PCE139.1021.01_C.jpg?resizeid=224&resizeh=600&resizew=600)
Product Information
Overview
Speedmaster regulators are ideal for use with high-volume fuel pumps , where dynamic flow and rock-steady pressure control are desired.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE139.1021.01 |
| Part Type: | Fuel Pressure Regulator |
| Pressure Range (psi): | 25-70 psi |
| Regulator Style: | Return |
| Regulator Location: | Fuel Rail Mount |
| Boost/Vacuum Reference Port: | Yes |
| Boost/Vacuum Rise Ratio: | 1:1 |
| Gauge Port: | No |
| Mounting Bracket Included: | No |
| Fittings Included: | No |
| Rebuildable: | Yes |
| Inlet Quantity: | 1 |
| Inlet Attachment: | Stock |
| Inlet Size: | -6 AN |
| Outlet Quantity: | 1 |
| Outlet Attachment: | Stock |
| Outlet Size: | Stock |
| Return Attachment: | Stock |
| Regulator Material: | Billet Aluminum |
| Regulator Finish: | Black anodized |
| Quantity: | Sold individually. |
Description
Speedmaster fuel pressure regulators are anodized for great looks and corrosion resistance.
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.