Outfront Motorsports CNC Ported 975 Racer B25 Cylinder Head Package Engine 238-4000 - Plugin ECU G4X

238-4000 - Plugin ECU G4X Subaru WRX11

or 04-08 FXT with the Overtake Turbo Inlet Hose to experience improved horsepower

Comes with 2 adapters

Seasoned FA20DIT 2015+ Case Halves (E20)

These are heat treated to a hardness of 26-32 HRC and then cyro treated for improved physical properties

Outfront Motorsports CNC Ported 975 Racer B25 Cylinder Head Package Engine 238-4000 - Plugin ECU G4XThe Outfront Motorsports 975 CNC Ported Cylinder Heads are the perfect performance head upgrade for competition and racing. These heads are a great option for the racer with engines up to 975 BHP. These are a great option for drag racing, time attack, hill climb or other competitive racing. The Outfront 975 Heads start with new OEM Genuine Subaru head castings. They are then CNC ported to have a big upgrade in flow. A multi angle valve job is