IAG 600 Long Block Engine w/ Stage 2 Heads for 04-07 STI. 1996-subaru-legacy-outback The 2-way independent compression and

The 2-way independent compression and rebound adjustment system provides 100 different setting variations for the ultimate in handling performance

If the floor mat needs to be removed

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

Unique Fire Rings help contain extreme cylinder pressures

IAG 600 Long Block Engine w/ Stage 2 Heads for 04-07 STI. 1996-subaru-legacy-outback The 2-way independent compression andIAG 600 EJ25 Long Block Engine w Stage 2 Heads: The IAG Performance Hand Built Subaru EJ25 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 Short Block and Cylinder Head packages, along with