IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 08-20 STI. 2003-subaru-impreza-outback GTIN: 00887753779281

GTIN: 00887753779281

0 Valve Guide and Seat Machine to cut all intake and exhaust seats with a multi-angle valve job that suits the flow characteristics of GSC's +1mm valves

The IAG Stage 2 pocket ported head package starts with brand new WRX STI OEM B25 head castings

GTIN: 00887753780355

CNC porting is not only an efficient way of machining the heads and offers consistent port results every time

IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 08-20 STI. 2003-subaru-impreza-outback GTIN: 00887753779281IAG 700 EJ25 Closed Deck Long Block w Stage 3 Heads: The IAG Performance Hand Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer significant ease of installation for customers seeking a complete "drop in" engine package for their WRX, STI, Forester XT or Legacy GT. The Long Blocks feature a combination of our proven IAG Performance Closed Deck Short Block and Cylinder