Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Radium Engineering / New

Radium Engineering Mazda 20B Primary Fuel Rail Top Feed Conversion

Radium Engineering · New

Radium Engineering Mazda 20B Primary Fuel Rail Top Feed Conversion

MPN 20-1120 · Store SKU rad20-1120

$189.95
IN STOCK3 ready to ship

Supplier stock checked 11/7/2026, 7:11:19 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

CNC Machined fuel rail for the Mazda 20B engine, primary injector location. Converts to top-feed fuel injectors using the included injector seats. Compatible with common aftermarket universal fuel injectors. See radiumauto.com for more details. Features 8AN ORB ports. FUEL RAIL, TOP FEED CONVERSION, MAZDA 20B PRIMARY

Manufacturer fitment & guides

Check 20-1120 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
More from Radium Engineering ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.