DBA 02-10 WRX / 13+ FR-S / 13+ BRZ Premium Front Drilled & Slotted 5000 Series Rotor w/ Gold Hat 2015-subaru-impreza-limited Then IAG machines the case

Then IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts that transform the block into a solid deck

IAG-Spec 99

They are then outfitted with complete Ferrea valve train components including +1mm oversized Comp Plus intake and exhaust valves

The heads are outfitted with GSC valve train components

All fluids for initial break-in are included

DBA 02-10 WRX / 13+ FR-S / 13+ BRZ Premium Front Drilled & Slotted 5000 Series Rotor w/ Gold Hat 2015-subaru-impreza-limited Then IAG machines the caseDBA 02 10 WRX 13+ FR S 13+ BRZ Premium Front Drilled & Slotted 5000 Series Rotor w Gold Hat DBA 5000 Series XS rotors share all the same leading technology as our 4000 Series, but in a two piece rotor. With an aluminum hat for lighter weight, better heat dissipation and lower maintenance costs these are the perfect sport rotor.