GSC Power-Division Dual Conical Valve Spring set with Titanium Retainer & Chromoly Seats for the Subaru EJ Off-Road and not ideally

and not ideally

but more importantly outperforms conventional compressor technologies hands down due to superior aerodynamics

These are the go to for 1000+ HP Subaru Engines

Link G4+ Storm Black (Loom A also required) – Note: Loom B is not required for the older Silver or Blue G4 or G4+ Storm models

The Killer B Motorsport Air/Oil Separator should meet and exceed your expectations of how an Air/Oil Separator should function on a Subaru engine

GSC Power-Division Dual Conical Valve Spring set with Titanium Retainer & Chromoly Seats for the Subaru EJ Off-Road and not ideallyThe GSC Power Division Dual Conical Valve Spring Kit with Ti Retainer & Chromoly Seats for the Subaru EJ platforms includes 16 titanium retainers, 16 dual conical valve spring sets, and 16 chromoly valve spring seats. Setup: Dual Conical Coil Bind (in): 0. 790 Install Height (in): 1. 368 1. 092 Seat Pressure (lbs): 95 Open Pressure, 11. 50mm lift: 233 lbs @ 0. 915" 0. 639" Maximum Valve Lift (in): 0. 512