800 FA20 DIT Closed Deck Long Block Engine with 86.1mm

The IAG Performance 800 FA20 DIT Closed Deck Long Block Engine is engineered for enhanced performance and reliability in modified WRX vehicles. This hand-built engine comes equipped with IAG 800 heads and utilizes 86.1mm forged pistons constructed from 2618 T6 Alloy, providing robust construction for demanding applications. The case halves are CNC machined with O-ring receiver grooves and drilled/tapped to accept 1/2'' head studs, ensuring a secure and precise assembly. This long block is specifically designed for the FA20F (DIT) engine found in the 2015-2021 Subaru WRX models. For proper installation and guidance, it is recommended to consult fitment information if an item does not appear to fit your specific vehicle.