Fuel Vent Charcoal Canisters
Universal Coolant Tank, 1240ml
6-Bolt to 3-Bolt Filler Adapter
Fluid Lock Catch Can Kit for Mazda RX-7 FD3S
Fuel Rails for the 3rd to 5th Generation Toyota 3S-GE and 3S-GTE
July 29th, 2026
All New Compact Fuel Vent Charcoal Canister
Radium Engineering is pleased to announce the release of our all-new Charcoal Canister in a compact size.
July 29th, 2026
Just Released: Universal Coolant Tank, 1240ml
This new larger coolant tank features a vertical design and an increased capacity over our original tank. Starting at $309.95.
June 10th, 2026
Recent Release: 6-Bolt to 3-Bolt Filler Adapter for FCST
Adapt new FCST-X 3-bolt filler options to a legacy FCST 6-bolt fill port with this new adapter.
May 21st, 2026
New for the Mazda RX-7 FD3S: PCV Catch Can Kit
The catch can draws out oil and water condensation from the crankcase gasses that would otherwise be drawn into the intake manifold. This prevents oil buildup in the intake, intercooler s...
May 28th, 2026
Now Available for Gen3-5: 3S-GE and 3S-GTE Fuel Rail
Our 3S-GE and 3S-GTE fuel rail line has expanded and is now available for generations 3 through 5.
New

Quick Refueling Without Breaking the Bank

Inspired by OEM "Capless" fuel fillers, Radium's fuel cell swing-valve fillers use a spring-loaded valve to allow quick filling at a competitive price.

This capless filler mimics modern OEM fillers and swings open when a filler nozzle is inserted. Nothing has to be unscrewed.

Available September 2025
Product Focus

Pressure Regulators

Radium EFI fuel pressure regulators integrate cutting-edge features engineered for precision and reliability.
EXPLORE REGULATORS
Product Focus

Fuel Cell Surge Tanks

Radium pioneered the in-tank Fuel Cell Surge Tank over 10 years ago and has been continually refining it since then. There is no equal.
RADIUM FCST-X
PRODUCT FOCUS

Turn your problems into solutions

Radium leads the market with our unique offering of swiveling fittings.
UNIVERSAL SWIVEL FITTINGS

Worldwide Availability

Radium Engineering products are available worldwide.

SEMA Member

Radium has been a SEMA member since 2013.

Motorsports Partner

Working with motorsports professionals worldwide.
Owner operated since 2010.