STM Evo 7/8/9 Oil Catch Can Trans Mount Sealed S90 Valve stems are micro polished

Valve stems are micro polished to allow for less oil retention on the stem

This Koyorad Hyper Cap withstands an increased valve pressure rating of 1

(4) Washers

25" schedule pipe

overboost status

STM Evo 7/8/9 Oil Catch Can Trans Mount Sealed S90 Valve stems are micro polishedThe V2 STM Sealed Engine Oil Catch Can for the 2001 2006 Evo 7 8 9 is designed to help keep vacuum on the crankcase at all times. By doing this, it will reduce the amount of oil that passes by your turbo and engine seals. Even more importantly, It will help your piston rings seal which will create more power with less blow by. Vehicle Fitment: 2003 2006 Mitsubishi Lancer Evolution VIII & IX Requires an aluminum intake pipe. 10AN aluminum bung must be