Details
IAG Performance 1150 Cnc Ported Drag S20 Cylinder Head Package (No Cams / Lifters) (2002-2005 Impreza WRX) - IAG-ENG-H115SE
The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade in long term performance over the IAG 950 heads. These heads work great for cars where getting the most power with maximum reliability is the goal. The IAG 1150 heads are the best heads available for high-horsepower drag racing. They are designed to support up to 1150 BHP with supporting mods. These heads include upgraded Ferrea Valves, GSC Viton Valve Stem Seals, Upgraded GSC Valve Guides, Ferrea Dual Drag Valve Springs with Titanium Retainers, and Ferrea Keepers. GSC S2 or S3 Camshafts are available with OEM valve lifter buckets. We also offer an optional chamber modification service (see below) for EJ20 heads to allow use on EJ25 short blocks. Each IAG 1150 Cylinder Head Set starts with new OEM castings from Subaru of America. The first step is to select your Year and Model of vehicle so that we may provide you with the right castings to fit your project. Next, you'll select whether or not you want to include our optional GSC camshaft package. If selected, these heads will include new GSC S2 or S3 Camshafts and OEM Lifter Buckets for valve adjustment.
New Head Castings with Ferrea Valves, Ferrea Dual Drag Valve Springs; Power: The IAG 1150 Cylinder Head Package has a power output rating of 1150 BHP.
IAG (Integrity Auto Group) was established in 2004, initially selling high quality used performance cars. Within a year and a half, IAG sold over 200 Subaru WRX / STI?s. Our clients began requesting us to provide performance products and services for their Subaru?s, which we quickly catered to. IAG extended these services and parts nationally by 2007. Fast forward to 2021, IAG Performance is known as a leader in the automotive performance industry (specifically Subaru) and carries an impeccable reputation among our clients and peers.
