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Cosworth Spec S2 AVCS Camshafts For DBC Japan / European Cylinder Heads (278 INT / 274 EXH)
Cosworth has been engineering camshafts for nearly 50 years. That coupled with years of innovative multi valve cylinder head design ensures camshaft designs are the most efficient in providing maximum usable power across the widest power band. Each Cosworth S2 cam is ground from a new blank and finished using the same procedures used in Cosworth extreme level race engines. The Spec S2's for the Japanese / European AVCS drive by cable models feature a 278° duration intake cams with 10.7mm of lift and the 274° duration exhaust cams with 10mm lift.
Cosworth's cams are the perfect compliment to CNC Ported Big Valve Cylinder Heads. Cosworth cams are profiled to increase boost response thereby increasing engine torque and power and are fully compatible with our CNC Ported Big Valve Cylinder Heads.
Intake Cams 278° 10.7mm Lift
Exhaust Cams 274° 10.mm Lift
Model Year & Fitment
2004 Subaru STI
2005 Subaru STI
2006 Subaru STI
2007 Subaru STI
Kelford Cams 282 / 278 Drag Racing High HP Cams for All Subaru 2.5L Single AVCS Engines
Kelford Cams 256 / 260 High Performance Cams for All Subaru 2.5L Single AVCS Engines
Cosworth S2 278 / 274 Cams For EJ25 Single AVCS 2004-07 Subaru STI, 06-14 WRX, 05-12 LGT & 04-13 FXT
Kelford Cams 264 / 260 Hot Street Performance Cams for All Subaru 2.5L Single AVCS Engines
Brian Crower Stage 2 272 Degree Cams for 2004-07 Subaru STI & 2004-06 WRX
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