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Cylinder Heads + Cosworth Catalog
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Cosworth CNC Big Port Head Castings (04-06 STi)
 Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum usable power. Each new cylinder head is ported on a 5 axis machine to ensure... $4,425.00 
$4,425.00 |
Cosworth CNC Big Port Head Castings (07 STi)
 Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum usable power. Each new cylinder head is ported on a 5 axis machine to ensure... $4,425.00 
$4,425.00 |
Cosworth CNC Big Port Head Castings Dual AVCS (08+ STi)
 Cosworth Big Valve Cylinder heads for the Dual AVCS 2008 STI EJ257B engine. Machine Ported for maximum accuracy and performance, complete with larger (+1mm) valves and dual valve springs... $4,425.00 
$4,425.00 |
Cosworth CNC Big Port Heads w/ Cams (04-06 STi)
 Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum usable power. Each new cylinder head is ported on a 5 axis machine to ensure... $6,025.00 
$6,025.00 |
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Cosworth CNC Big Port Heads w/ Cams (07 STi)
 Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum usable power. Each new cylinder head is ported on a 5 axis machine to ensure... $6,025.00 
$6,025.00 |
Cosworth CNC Big Port Heads w/ Cams Dual AVCS (08+ STi)
 Cosworth Big Valve Cylinder heads for the Dual AVCS 2008 STI EJ257B engine. Machine Ported for maximum accuracy and performance, complete with larger (+1mm) valves and dual valve springs... $6,200.00 
$6,200.00 |