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Ivan Consolo says: well the shifter is great I did have to get it re threaded for the shift knob but other than that works awsome love the product keep them coming ..
5 of 5 Stars!

Brett Wiggins says: This was the first modification I did to my evo. I noticed some stations that were not always clear came in much clearer after I change it out. The quality is great. Its milled from a solid piece of a ..
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Jeffrey Jensen says: Love the boost hoses. I think there were initial problems on my car with the prototype inter-cooler hoses but I do not remember any problems with the boost hoses. Like evreything I wish they were easi ..
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Michael Rutherford says: My first impressions when the agency power muffler arrived was how light it was. But the sound is amazing. Very deep sound at low rpms, but when you rev it, it just has this awesome high pitched exoti ..
5 of 5 Stars!


Cosworth High Performance Short Block w/Billet Crank 9.2:1 CR 81mm Subaru EJ25 04-12
  • Cosworth High Performance Short Block w/Billet Crank 9.2:1 CR 81mm Subaru EJ25 04-12
  • Cosworth High Performance Short Block w/Billet Crank 9.2:1 CR 81mm Subaru EJ25 04-12
  Product Information
Price: $9,455.00   Sale: $8,840.43
  Model: 20007697
  Reviews:   
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Product Information
The Cosworth EJ25 (STI) short block has gone through countless hours of dyno evaluation to determine the best combination of parts to guarantee performance and reliability. Each EJ25 short block starts with a brand new Subaru case. The case is inspected and then the bores are "Diamond" honed to perfection to receive High Compression Cosworth Forged Pistons.

Cosworth then balance the rotating assembly that includes a Cosworth 81mm billet stroker crank and Cosworth Forged H-Beam Connecting Rods to within .5 gram. The select parts are professionally assembled by one of Cosworths skilled engine builders using their own, tri metal race spec bearings.

For added performance, call us about Cosworth CNC ported Big Valve Cylinder Heads and high performance camshafts.

Features:
  • New Subaru EJ25 STI Engine case
  • Billet 81mm Stroker Crankshaft
  • Cosworth Forged H-beam Connecting Rods
  • Cosworth Forged High Compression Pistons and rings
  • Cosworth Tri-metal bearings
  • Balanced to within .5 gram
  • Complete blue-print assembly
  • Ring gap checked
  • Bearing clearance checked
  • Diamond Honed
  • Deck height checked
  • Connecting Rod side clearance checked
  • Crankshaft end float checked
  • Shipped with protective covers
Select Available Options Then Click


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About Manufacturer: Cosworth
Over the last 50 years Cosworth have developed an in-depth knowledge of engines, electronics and a range of high performance technologies. This has been used to supply some of the most successful motor sport teams and vehicle manufacturers in history.

Our unprecedented success has fueled customer demand globally from diverse market sectors designing and developing technologies and components for aerospace, automotive, defense and sport applications.


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