Our team of certified Subaru specialists at IAG Performance takes great care in assembling each IAG Stage X Short Block. Our hand-assembled short blocks make it simple to upgrade your EJ25 Subaru engine. Just leave the technical work to us, and we’ll provide you with a high-quality short block that’s ready for installation 🤝 | IAG Performance
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Our team of certified Subaru specialists at IAG Performance tak…
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The IAG Stage 2.5 Short Block starts with brand new Subaru 2.5L engine case halves. 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 unique inserts feature small passages that allow needed coolant flow to the deck surface. Next, the short block is Deck Plate bored and honed to 99.75mm in our in-house Sunnen SV-30 the most advanced automotive cylinder hone available. lAG's in-house hon
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We finally have IAG Stage X / Crest CNC billet aluminum short blocks back in stock! Rated for 1100 BHP these are the ultimate Subaru engine package for those who want nothing but the best 🙌 🤩 | IAG Performance
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We finally have IAG Stage X / Crest CNC billet aluminum short blocks …
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Don't just replace your Subaru engine, upgrade it! IAG engine packages support 550 BHP all the way up to 1000 💪 | IAG Performance
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Don't just replace your Subaru engine, upgrade it! IAG engine pa…
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The IAG 550 is our most popular EJ short block offering. Built using forged internals, the IAG 550 is ideal for modified EJ25 Subarus that want to upgrade their car’s reliability and performance. | IAG Performance
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The IAG 550 is our most popular EJ short block offering. Built using fo…
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IAG 550 Ej25 Block
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