Radium Engineering Fluid Lock Dual Catch Can Kit – Focus RS 16–18

he Radium Engineering Dual Catch Can Kit is designed specifically for the 2016–2018 Ford Focus RS, offering full coverage for crankcase and PCV blow-by gases. This system helps prevent oil vapors, unburnt fuel, and sludge from contaminating the intake manifold and intercooler—ensuring better engine performance and longevity under both street and track conditions.

Vehicle Compatibility:

• 2016–2018 Ford Focus RS

Key Features:

• Dual sealed catch can setup for both PCV and crankcase lines

• Closed-loop, emissions-compliant and track-legal system

• Pressure-sealed design ideal for high-boost applications

• Internal baffling and stainless media for superior oil separation

• Integrated dipsticks for easy visual fluid checks

• Mounts cleanly with no permanent vehicle modifications required
  

An essential upgrade for high-performance Focus RS builds, especially when running hard or using ethanol-based fuels like E85.