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Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
The main difference is that an AOS-"R" system "returns" what is collected back into the oil pan so there is no servicing required
Valve lash is carefully measured and set at this time using new
IAG offers a simple comprehensive cover and seal kit that includes (1) Rear main seal
THIS IS A MADE TO ORDER KIT
IAG Air Oil Separator AOS For 2008-14 Subaru Impreza WRX & 2008-21 STI Color:Red Part# IAG-ENG-7181RD The main difference is thatLEAD TIME 3 5 DAYS PROTECT YOUR ENGINE The IAG Performance V3 Street Series Air Oil Separator (AOS) is a worthwhile investment to safeguard and enhance the performance of your Subaru. Developed through years of testing on standard and competitive applications, the Street Series AOS design offers unmatched protection for your engine. IAGs AOS features a 1 liter cast aluminum swirl pot canister that significantly improves oil separation from the PCV
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