The Radium Engineering Multi-Port Regulator (MPR) is a high-flow vacuum-referenced fuel pressure regulator with an exceptionally flexible port layout, finished in green. Tested to regulate over 1,400 lph, it supports multi-pump and high-output fuel systems.
Ports A & B are -6AN ORB and port E is -8AN ORB for high-pressure fuel to/from the rail or pump, while the two lower opposing -6AN ORB return ports flow parallel for a clean return path. A 1:1 vacuum-reference design with interchangeable orifices resists diaphragm flutter for stable pressure.
Specifications
| Series | Multi-Port Regulator (MPR) |
| Type | Vacuum-referenced fuel pressure regulator |
| Pressure Ports | 2x -6AN ORB (A/B) + 1x -8AN ORB (E) |
| Return Ports | 2x -6AN ORB |
| Gauge Ports | 2x 1/8in NPT |
| Min Pressure | 18.5 psi (1.3 bar) |
| Flow | 1,400+ lph |
| Ratio | 1:1 vacuum reference |
| Finish | Green |
| Part Number | 20-1100-01 |
Shipping
- Orders placed before 3 PM ET typically ship the same business day. Some items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping, and original shipping is not refunded. All waived if the item is defective or we made the error.
- Installed or used parts cannot be returned. Confirm fitment before you install.
- Product images may be representative. The part number and specifications in the listing are what ships.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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