If longevity is concern i would highly recommend stock. The service includes performing the final lash to the cylinder heads.

Iag Stage 4 Tuff Ej25 Subaru Closed Deck Short Block For Wrx Sti Legacy Gt Forester Xt
Iag short block longevity. Standard warranty period begins on the day the e ngine was delivered. Iag stage 3 extreme fa20 dit closed deck short block the iag stage 3 extreme short block starts with new subaru fa 20l engine case halves that are machined for improved oiling. The upgraded rods and bearings are able to support additional engine load produced by larger turbochargers that the oem. It isnt uncommon to see a stock engine far outlast even mildly built engines. Iag standard short block long block warranty limitations are as follows. Then iag machines the case halves assembled together in our haas vf 4ss cnc mill to accept the iag closed deck inserts that transform the block into a solid deck.
The iag 900 long block features our magnum closed deck short block that utilizes a brand new ej25 subaru case that is converted to closed deck and is bored and honed to 9975mm. The iag performance ej series subaru long block assembly service requires starting with a completed short block and bench lashed assembled cylinder heads. Iag tunes cobb accessport open source aem hydra and ecutek. Period of 1 year12000 miles or an enhanced warranty of 2 years24000 miles if installed by an iag certified engine installer. The iag stage 2 short block is designed for modified ej25 subarus that need a beefed up performance short block. The package includes our stage 1 subaru wrx sti ej25 short block cylinder heads.
The magnum block features 14mm head stud machining as well as our fire lock gasket solution that is loosely derived from diesel technology where a counterbore step is. 30 per page 60 per page 120 per page 180 per page 300 per page. Call 410 840 3555 for more information. The iag stage 2 short block builds off the stage 1s strengths by adding iag spec h beam forged connecting rods. Iag services the impreza wrx sti legacy forester and tribeca and carries genuine subaru parts motul manley cosworth and more. Ill let you decide what way to go on the block.
Just browse around without specifying iag there is tons of information out there you can use to make your decision. Iag provides subaru engine service repair and replacement for maryland. Iags engine builders will put together the short block and cylinder heads with your choice of gaskets and hardware. The iag performance hand built long block engine packages are a complete valve cover to valve cover crate long block engine which offers significant ease of installation for customers seeking a complete âœdrop inâ engine package. Iag stage 1 25l subaru short block for wrx sti legacy gt forester xt usually ships in 24 to 72 hours.