Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exterior Components› Body Panels and Components
Radium Engineering
Radium Engineering Multi-Port Regulator (MPR) - Green
SKU: R005 20-1100-01
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: 20-1100-01
Universal adjustable fuel pressure regulator for EFI vehicles. Ideal for pump flows from 200 lph to 1400 lph. E85 compatible. Green anodized top. Tool-free pressure adjustment.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Radium Engineering |
| Part Number | R005 20-1100-01 |
Videos
RADIUM FUEL SYSTEM UPGRADE!! (STI)
New Radium Adjustable Fuel Pressure Regulators for 2023
![Rookies Throw This Out! Fuel Damper 101 [TECH TALK]](https://img.youtube.com/vi/qKOS2sJmlXg/hqdefault.jpg)
Rookies Throw This Out! Fuel Damper 101 [TECH TALK]
RADIUM ENGINEERING FUEL UPGRADES : MX5 TURBO BUILT pt 53
500HP fuel system upgrade on the RX-7 ft. Radium Engineering Surge Tank!
Radium Engineering Venturi Jet Pump
650hp Subaru Sti Teaches Man Calculus | MAPerformance Fast Features
EFI Surge Tanks - EFI Hardware
Things To Know When Installing Aftermarket Injectors & Fuel Rails - Jay's Tech Tips
Direct Mount Fuel Pressure Regulator from Radium Engineering
RADIUM Fuel Pressure Regulator & Gauge INSTALL! // (Lexus IS300 2JZ-GE Project Build)
Radium Fuel Rail Parts Install B-Series - Fuel Pulse Damper - FPR - Female Built Civic
Injector Dynamics & Radium Engineering Fuel Rail UPGRADE + Aeromotive FPR
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy