Cosworth Short Block EJ25 79mm Forged Crank 9.2:1 CR Subaru STI 2004-2013

Cosworth high performance engine assemblies are the perfect basis for your high performance application. Each version has gone through countless hours of engineering and evaluation to determine the best combination of parts and build specification, ensuring maximum reliable performance.

Cosworth EJ25 (STI) short block has gone through countless hours of dyno evaluation to determine the best combination of parts to guarantee maximum reliable performance. Each EJ25 short block starts with a brand new Subaru case. The case is inspected and then the bores are honed to perfection to receive Cosworth Forged Pistons. They then balance the rotating assembly that includes a new Subaru Forged crank and Cosworth Forged H-Beam Connecting Rods to within .5 gram. The select parts are professionally assembled by one of Cosworth's skilled engine builders using their own coated, tri metal race spec bearings. 


New Subaru EJ25 STI Engine case
Subaru Forged 79mm Crankshaft
Cosworth Forged H-beam Connecting Rods
Cosworth Forged Pistons and rings
Cosworth Coated, Tri-metal bearings
Balanced to within .5 gram
Complete blue-print assembly 
Ring gap checked 
Bearing clearance checked
Deck height checked
Connecting Rod side clearance checked
Crankshaft end float checked 

Art.Nr.: RSD-COS2 20007702

Hersteller: Cosworth

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6'495.00 CHF

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