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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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.

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

SKU: WCS2LS6 Category: Tags: , ,