The IAG 550 long block is the perfect “drop-in” replacement for your stock EJ25. Built to withstand up to 550 BHP this engine package is rated for more power than the stock engine. It features IAG spec JE pistons, H-Beam connecting rods, and upgraded valvetrain components for more durability. Send us a DM to find out if the IAG 550 is right for you! ✌️ #subie #wrxsti #subarusti #iagperformance #iag #dragrace #dragcar #ej257 #builtnotbought #boxerengine #builtmotor #subaru