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Cosworth Long Block

Precision built using all of Cosworth's years of motorsports expertise and some of the finest parts available. Each long block starts with a Subaru OEM block that is diamond honed to exacting dimensions and fitted with a Subaru forged crank (billet crankshaft optional), Cosworth H-beam rods, Cosworth forged pistons, and tri-metal bearings. Then Cosworth bolts on a set of their CNC "big port" heads using a set of 11mm head studs and Cosworth high performance head gaskets. Cosworth's S2 high lift camshafts are responsible for opening the valves and a blueprinted high pressure oil pump keeps everything lubricated.

Please contact us for delivery time.

Manufacturer: Cosworth

Applications:

  • Subaru STI
Part No. Description Application Price Ea. Add to Cart
20010271 Cosworth EJ25 Long Block - Standard 79mm Crank 8.2:1 CR STI MY2008-2009 $13086.00
20010273 Cosworth EJ25 Long Block - Standard 79mm Crank 9.2:1 CR STI MY2008-2009 $13086.00
20002504 Cosworth EJ25 Long Block - Standard 79mm Crank 8.2:1 CR STI MY2007 $13086.00
20007706 Cosworth EJ25 Long Block - Standard 79mm Crank 9.2:1 CR STI MY2007 $13086.00
20000161 Cosworth EJ25 Long Block - Standard 79mm Crank 8.2:1 CR STI MY2004-2006 $13086.00
20007705 Cosworth EJ25 Long Block - Standard 79mm Crank 9.2:1 CR STI MY2004-2006 $13086.00
SB8008 Cosworth EJ25 Long Block (JDM) - Standard 79mm Crank 8.2:1 CR STI MY2004-2006 $13086.00
20007707 Cosworth EJ25 Long Block (JDM) - Standard 79mm Crank 9.2:1 CR STI MY2004-2006 $13086.00