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Air and Fuel› Fuel Pumps, Regulators and Components

Radium Engineering

Radium Engineering Extension Kit for FCST-X 3.7in 1.2L

$199.95 $189.95 Save $10.00

SKU: R005 20-1989

In Stock
In Stock
Ships by Jun 10
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Radium Engineering 20-1989 Extension Kit for FCST-X is a CNC machined aluminum component designed to increase the capacity of Radium Fuel Cell Surge Tanks. This kit adds an additional 1.2 liters of volume to the surge tank, helping to prevent fuel starvation in racing and high-performance applications. It is specifically intended for use with deep fuel cells, requiring a minimum internal depth of 12 inches.

Fitment

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Specifications

BrandRadium Engineering
Part NumberR005 20-1989

Buy with Confidence

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.

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