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Ben says: These I/C have been run extremely hard and performed very well. They have been used on two tiptronic 996's both with 700+ hsp and still running strong! ..
5 of 5 Stars!

Jack says: This part really looks hot. Very happy with the overall appearance and quality. Easy to install and sets my car apart from the crowd. My buddy filmed my doing over 100 on the freeway and I didn't see ..
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John Balyan says: Great service. Fast shipment. Great product. I ordered headlights for my F150, found it at a great price at vivdracing. Placed my order, a few days later installed my headlights! -Thank you! ..
5 of 5 Stars!

Mike Fresco says: Thanks! for all your help. I did get the K&N for my Porsche and I love it. Installation was simple and the results are great. Throttle response is improved and an increase in HP is noticeable in the M ..
5 of 5 Stars!

Paul says: Great product! Really gives the C219 CLS63 a whole new stance and the coils are firm but not brutal. With the dampers set in sport mode there is virtually no bodyroll anymore on the curves. Please ..
5 of 5 Stars!


Cosworth High Performance Short Block w/OEM Crank 9.2:1 CR Subaru EJ25 04-12
  • Cosworth High Performance Short Block w/OEM Crank 9.2:1 CR Subaru EJ25 04-12
  • Cosworth High Performance Short Block w/OEM Crank 9.2:1 CR Subaru EJ25 04-12
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  Product Information
Price: $5,674.00   Sale: $5,305.19
  Model: 20007702
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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 79mm forged crankshaft 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
  • Forged 79mm 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
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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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