COBB Air/Oil Separator for 2015-2020 WRX (843615) M&H The GSC Power-Division beehive valve

The GSC Power-Division beehive valve spring kit for Evo and DSM includes 16 titanium retainers and 16 beehive valve springs

This part was discontinued by Seibon in 2025 and we have none remaining in stock

05310 1991-June 1993 3000GT VR4

05106-3D7R-XHV (Triple)

(1) Flexplate) Part Number Item ID 2020 FP7-2G

COBB Air/Oil Separator for 2015-2020 WRX (843615) M&H The GSC Power-Division beehive valveThe COBB Air Oil Separator or AOS for 2015 2020 WRX is placed within your crankcase ventilation system and helps to prevent oil vapors from being introduced into the intake system. Vehicle Fitment: 2015 2020 Subaru WRX Shipping Times: Generally ships in 2 3 weeks. At times, these may not be available for immediate shipment requiring fabrication or powdercoat. Features: 1 Liter Holding Capacity Integrated ORB Ports Compact Cast Aluminum Body w Black