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30 Step Damping Force Adjustment
Line Stainless steel braided hose with protective vinyl coating
the PCV "check" valve closes and
This material stands up to extreme UV and is manufactured specifically to retain its elastic qualities despite changes in temperatures
H&R Sport Spring kits are their highest selling product for a reason
Grimmspeed Air Oil Separator (Black) - Subaru STI VA Coolant Expansion Tank 30 Step Damping Force AdjustmentFits 2015+ Subaru STI An Air Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system. The GrimmSpeed AOS is unique as it allows you to maintain your PCV Valve while separating the oil out of the crankcase and head ventilation air! Our AOS will allow your engine to run more efficiently due to the separation of oil from the intake system. When there is oil in your system, the
