Ecotec Ported Head Wire Harnesses & Adapters 2007 Chevrolet Cobalt LTZ Sedan

2007 Chevrolet Cobalt LTZ Sedan 4-Door 2

patent-pending X-Digital technology that makes them the fastest responding wideband air/fuel ratio controllers in independent testing against 17 other wideband UEGO air/fuel controllers

Rod bearings must be purchased separately

The Race Clutch Clutch Masters clutch kit that we sell is intended for the 228mm flywheel

Ecotec Ported Head Wire Harnesses & Adapters 2007 Chevrolet Cobalt LTZ SedanA ported head increases airflow by reducing restriction therefore more high rpm horsepower. Increasing head flow creates more horsepower at the same boost level and works very well with aftermarket cams. LSJ: All flowed at 28", 3. 5" bore plate, exh had a 1 5 8" flow tube, and stock valves (int. 35mm, exh. 30mm). Do NOT be fooled by other venders flowing heads without a flow tube, in the real world people run headers, not open heads without headers or