IAG Stage 4 CNC Ported Heads w/ +1mm GSC Valves for 06-14 WRX 06-13 FXT 07-09 LGT D25 Casting (Cams / Lifters Sold Separately). 2016-subaru-wrx-sti patented Kangaroo Paw ventilation and

patented Kangaroo Paw ventilation and a unique drill & slot pattern makes the perfect direct replacement rotor

5:1 on D Cylinder Heads (EJ255) 8

5 x 6 inches

along with other race-proven components to complete the assembly

Components Included: 2 Gallons Premixed Coolant 6 Quarts Conventional Oil for the first 50 miles 10 Quarts Break-in Oil 3 Oil Filters 3 Oil Drain Plug Washers OEM Subaru Engine Gasket Kit Complete Timing Belt Kit IAG Timing Belt Guide Water Pump OEM Oil Pan 11mm OEM Oil Pump IAG Oil Pickup Filtered Banjo Bolts Turbocharger Exhaust Gaskets NGK One Step Colder Spark Plugs Cam Gear Bolts AVCS Gaskets Note: Please note that vehicles that have experienced a bearing failure will need to purchase replacement AVCS Cam Gears

IAG Stage 4 CNC Ported Heads w/ +1mm GSC Valves for 06-14 WRX 06-13 FXT 07-09 LGT D25 Casting (Cams / Lifters Sold Separately). 2016-subaru-wrx-sti patented Kangaroo Paw ventilation andIAG's Stage 4 Cylinder Head Package utilizes a CNC porting program for the D25 heads that was developed over the past five years and tested on the most successful high horsepower Subarus. The ported head package starts with brand new B25 STI Forester XT Legacy GT OEM head castings directly from Subaru of America. The bare castings are visually inspected then fixtured into our in house Centroid 5 axis CNC Machine, one of the most advanced precision