RADIUM Dual Catch Can Kit, 15-21 WRX RADIUM:Part # rad20-0256-FL Valve lash is carefully measured

Valve lash is carefully measured and set at this time using new

helps ensure that it does not fatigue and fail over time like an OEM unit

trapping the oil and allowing the gas to escape from the top of the AOS canister

3:1 on D Cylinder Heads (EJ255) w/ OEM Head Gasket

The short block is measured and assembled using a new 2015+ Subaru 2

RADIUM Dual Catch Can Kit, 15-21 WRX RADIUM:Part # rad20-0256-FL Valve lash is carefully measuredClick here to download installation instructions (PDF) Click HERE to watch a third party installation video COMPATIBILITY*15 21 Subaru WRXNot compatible with the Subaru STiHas not been tested on right hand drive modelsMay not be compatible with some aftermarket intake systems.*Not compatible with the 2018+ Sport Lineartronic (CVT) TransmissionAn oil catch can is essential on a performance vehicle to protect the engine from elevated levels of crankcase