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IAG Stage 1 EJ25 Subaru Short Block
Subaru Models (inc. 2006-2014 WRX / 2004+ STI)
Product Resources
Features & Product Details
RallySport Direct carries the highly sought-after, high-performance upgrades and accessories brought to you by IAG Performance.
On this page, you are looking at the IAG Performance Stage 1 Short Block for your Subaru WRX, STI, Legacy GT and Forester XT. This short block is ideal for lightly modified engines that need a basic and reliable short block. This short block is fitted with forged pistons along with performance main and rod bearings that replace the factory design that is prone to failure. Each Stage 1 short block features new Subaru 2.5L 99.5mm bore EJ25 engine case halves and is carefully measured and assembled using a new 2017+ Nitride treated Subaru 2.5L STI crankshaft.
Here are the details:
Specifications
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QUESTIONS & ANSWERS
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Q: Stock Tune miltownWRX8 months ago
If i use old intake manifold,lines,ect,,,,,new gaskets,oil pan pickup, timing,, heads resurfaced from a stock 2011 wrx can i still use the Stock tune that came with car or do i need to get it tuned for the car to run properly with the built shortblock?
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A: This shortblock will give you a slightly higher compression ratio with 2011 WRX heads. You should be ok with the stock tune, but it might be a good idea to get a tune just to be sure it is running perfectly.
Jesse F. @ RallySport Direct 6 months agoWas this answer helpful?
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Q: Piston type Dsquid10 months ago
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A: The only spec we have is that they are IAG Spec from JE Pistons.
Lane H. @ RallySport Direct 5 months agoWas this answer helpful?
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Q: Iag short block stage 1 Legacy3801 year ago
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A: Yes, pistons are included in this complete short block.
IAG Performance @ IAG Performance 1 year agoWas this answer helpful?
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Q: Hi Chnba2 years ago
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A: Unfortunately we cannot confirm fitment for the JDM model subarus
Tylo R @ RallySport DirectWas this answer helpful?
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Q: Closed deck? Kaelan2 years ago
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A: This is a stock-style semi-closed deck.
Marcus E. @ RallySport Direct 2 years agoWas this answer helpful?
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