Outfront Motorsports CNC Ported 975 Racer D25 Cylinder Head Package EJ Connecting Rods In addition to its multi-fuel

In addition to its multi-fuel capabilities

Now you can build an engine with higher accuracy to suit your needs

For rear engine applications that require the -10 AN turbo oil return bung

a unique tri-metal structure that is 24% harder than any other conventional tri-metal race bearing

DI 11 Digital Input

Outfront Motorsports CNC Ported 975 Racer D25 Cylinder Head Package EJ Connecting Rods In addition to its multi-fuelThe 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