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Radium Engineering Secondary High Flow Fuel Rail for Mazda 20B-REW

Complete your high-performance fuel system upgrade for the Mazda 20B-REW engine with the Radium Engineering Secondary Fuel Rail. Designed to complement the primary rail, this component ensures consistent fuel delivery to the secondary injectors, crucial for supporting extreme power levels and optimizing engine performance in demanding applications.

Optimized for High Performance:

• 20B-REW Specific: Precision-engineered for the 1990-1995 Mazda/Eunos Cosmo's 20B-REW rotary engine, guaranteeing a perfect fit and seamless integration.
• Secondary Injector Support: Allows for the use of high-flow secondary injectors, essential for engines producing significant horsepower and requiring ample fuel volume.
• Large Bore Design: Features an enlarged internal diameter to minimize pressure drop and ensure uniform fuel distribution to the secondary injectors, maintaining optimal air-fuel ratios under load.
• Fuel Compatibility: Manufactured from anodized black aluminum, this fuel rail is robust and fully compatible with all common fuel types, including E85 and other aggressive ethanol-based fuels.

Vehicle Fitment:

This secondary fuel rail is compatible with the following Mazda RX-7 models featuring the 20B-REW engine:

• 1993-1995 Mazda RX-7 Base
• 1993 Mazda RX-7 R1
• 1994-1995 Mazda RX-7 R2
• 1993-1995 Mazda RX-7 Touring

For rotary enthusiasts pushing the limits, a reliable and high-capacity fuel system is non-negotiable. This secondary fuel rail is a vital piece for achieving peak performance and ensuring the longevity of your powerful 20B-REW engine.

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