CNC Port Customer Supplied Castings - Competition Components can CNC Port your TA Performance Stage 2 Track Eliminator heads. Includes disassembly, full CNC Port of intake and exhaust ports as well as combustion chambers, Valve Job, and reassembly. Lift/Int/Exh .100/ 74 / 61 .200/158/116 .300/222/165 .400/292/235 .500/339/254 .600/364/258 .700/374/263 .800/379/266 4.350 Bore, 28" Test Pressure. 2.260/1.755 Valves ALSO AVAILABLE FROM FINISHLINE MOTORSPORTS |