Perrin 08-14 Subaru WRX/STI Black Air Oil Seperator - paPSP-ENG-606BK import_2022_03_21_012537 -cc Tonneau Covers::Bed Covers -

-cc Tonneau Covers::Bed Covers - Roll Up 1975-1981 Chevrolet C10 Cheyenne V8

This 1/8th NPT threaded port allows for installation of aftermarket fuel pressure sensors and/or gauges

6599cc Tonneau Covers::Bed Covers - Roll Up 2004-2005 Chevrolet Silverado 2500 HD WT V8

and manufactured by H&R Special Springs in Germany

Perrin 08-14 Subaru WRX/STI Black Air Oil Seperator - paPSP-ENG-606BK import_2022_03_21_012537 -cc Tonneau Covers::Bed Covers -The PERRIN Performance Air Oil Separator traps oil from the crank case vents before it enters the intake, thus increasing intercooler efficiency and reduces chances of performance robbing detonation. *Increase Intercooler Efficiency* The AOS increases intercooler efficiency by reducing the amount of oil deposited into your intercooler and intake system! As blow by oil builds up inside your intercooler, the less efficient it becomes due to less heat