The IAG 500 Long Block is a complete, valve cover to valve cover, crate engine. It is the perfect option for ease of installation and gives you a premier "drop-in" engine.
This kit will support up to 500BHP applications. IAG's break-in instructions MUST be followed and the package must be professionally installed for the 12 months / 12k mile warranty to be applicable. All IAG Short Blocks are balanced and blueprinted.
Stage 1 Short Block:
Case Halves - Brand new Subaru OEM case halves 99.5mm Stock Bore
Pistons - IAG-Spec JE 99.5mm Forged Pistons, Ring Set, .180" Chromoly Steel Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pin)
Connecting Rods - Early OEM (Stronger Style) STI rods
Rod / Main Bearings - ACL or King Bearings
Crankshaft - Standard New Subaru Nitride Treated 2017+ STI Crankshaft
Case / Main Bolts - Standard FHI Subaru case bolts
Stage 1 Heads:
Heads - Brand New Subaru OEM WRX STI Cylinder Head Castings
*If you need more information about this engine block, please don't hesitate to call us at 503-619-0055 for expert advice.
*All IAG Engine Blocks are engineered, balanced, and blueprinted per your order and shipped in crates by freight trucks. Please allow an extended shipping duration. Contact one of our specialists for more information.