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.
West Coast Stage 2 LS6 Cylinder Heads
$2,175.95
Cathedral port West Coast LS6 Cylinder Heads. These stock casting heads have our CNC program specifically programmed to give the WCCH best possible flow!
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WCCH Stage 2 CNC Ported LS6 #243 Casting Flow Data @ 28″ Water:
|
Valve Lift .100″ .200″ .300″ .400″ .500″ .550″ .575″ .600″ .650″ |
Intake Lift 70.1 142.4 202.0 246.1 287.7 300.8 307.2 311.6 312.7 |
Exhaust Lift 58.1 119.1 167.2 205.6 221.5 229.7 231.9 233.9 234.4 |
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
