WCCH Stage 2 CNC Ported LS6 #243 Casting Flow Data @ 28" Water:
Valve sizes: Intake = 2.02" Exhaust = 1.57"
Intake runner volume = 233.3cc
Exhaust runner volume = 86.3cc
Combustion chamber volume = 69cc (w/min.mill)
Test bore = 4.030"
Intake port tested with radius flow plate
Exhaust tested with stub pipe
LS-6 Stage 2 CNC ported Cylinder Heads!!
West Coast has you covered with our LS2 Stage 2 heads! Machined on stock GM castings our Stage 2 CNC port program boast a 10% improvement in airflow over the stock "as cast" ports. Our standard cylinder head package comes with upgraded stainless steel 2.02"/1.57" valves and a dual spring kit with titanium retainers.
These stock casting heads have our CNC program specifically programmed to give the WCCH best possible flow and the years of CNC know how to back it up!!
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