Skip to product information
1 of 4

Overview

The Radium Engineering Fuel Hanger Surge Tank (FHST) drops directly into the factory fuel tank of the 1993-1995 Mazda RX-7 FD3S to provide an integrated in-tank fuel surge tank. By combining fuel surge tank technology inside the fuel tank, it eliminates starvation on road courses and supports high-horsepower rotary fueling without trunk clutter.

Features

  • Integrated in-tank fuel surge tank eliminates starvation on long sweeps and low fuel levels
  • Drops directly into the factory RX-7 FD fuel tank opening utilizing the OEM lock ring
  • Supports up to two submersible high-flow fuel pumps (Walbro, AEM, or DeatschWerks)
  • Precision CNC machined 6061-T6 aluminum top hat with high-current electrical bulkhead terminals
  • Configured with 8AN ORB feed and 6AN ORB return ports for high fuel volume capability

Vehicle Fitment

  • 1993-1995 Mazda RX-7 (FD3S Twin Turbo 13B-REW US-Spec)

Radium Engineering Fuel Hanger Surge Tank - 1993-1995 Mazda RX-7 (FD3S) (20-0950)

Radium Engineering Fuel Hanger Surge Tank - 1993-1995 Mazda RX-7 (FD3S) (20-0950)

SKU:RAD 20-0950

Regular price $712.45
Regular price $749.95 Sale price $712.45
Sale Sold out
Option
Quantity

In stock

Free shipping on orders $299+
Shipping & Returns

Shipping charges are non-refundable.

30-day return window from delivery. Items must be unused, uninstalled, and in original packaging with tags/seals intact. Installed, modified, or used parts (including wheels and tires) can't be returned. Open-box, clearance, and overstock items are final sale.

A restocking fee may apply.

Please contact us for return authorization before shipping anything back.

View full return policy →

Vehicle Fitment
  • Mazda RX-7 FD (1993-1995)
View full details
$712.45