Stage 2.5 EJ25 Closed Deck Short Block

The IAG Performance Stage 2.5 EJ25 closed deck short block is a robust engine component engineered for Subaru WRX and STI vehicles. It serves as a high-performance replacement for your original short block, offering enhanced durability and capability for demanding applications. This short block features a closed deck design, which provides superior strength and resistance to cylinder pressure, making it suitable for modified engines. The EJ25 designation indicates its compatibility with Subaru's popular Boxer engine platform. Professional installation is required to establish the warranty on your IAG engine build. The assembly process should be performed in a debris-free, climate-controlled, and clean environment to ensure the longevity and optimal performance of the engine.