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Radium Engineering Secondary Fuel Rail for Mazda RX-7 1993-1995 (20B-REW) 20-0465

$227.95 $239.95
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Radium Engineering Secondary Fuel Rail for Mazda RX-7 1993-1995 (20B-REW) 20-0465
$227.95 $239.95
$227.95 $239.95

Fits 1993-1995 Mazda RX-7 (equipped with 20B-REW 3-rotor engine swaps).

The Radium Engineering high-flow secondary fuel rail is engineered specifically for the 20B-REW rotary engine. Designed with a large internal bore, this rail supports the fuel volume required for high-horsepower builds while ensuring consistent delivery across the secondary ports. It is precision-machined from 6061 aluminum and finished with a black anodized coating for full compatibility with all fuel types, including E85 and alcohol-based blends.

This component converts the secondary fuel system to accommodate modern top-feed fuel injectors, allowing for more precise tuning and higher flow rates than the original setup. Please note that injectors are not included.

  • Precision machined 6061 aluminum construction
  • Black anodized finish for E85 and alcohol fuel compatibility
  • Large internal bore to maximize flow capacity and dampen pulses
  • Converts secondary ports to top-feed injector fitment
  • Directly fits 20B-REW engines found in 1990-1995 Cosmo and custom swaps
  • Manufacturer Part Number: 20-0465
🔧 Fitment & Compatibility
Year Make Model Submodel
1993-1995 Mazda RX-7 Base
1993 Mazda RX-7 R1
1994-1995 Mazda RX-7 R2
1993-1995 Mazda RX-7 Touring

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