Precision Race Components LS6 Stage 1 CNC ported cylinder heads. Fully CNC ported LS6-based cylinder heads!
Flow Data:
3.910" Flow Plate - No Exhaust Pipe
Lift
Intake Flow
Exhaust Flow
.200"
147 cfm
114 cfm
.300"
207 cfm
148 cfm
.400"
255 cfm
187 cfm
.500"
292 cfm
202 cfm
.600"
313 cfm
220 cfm
Valve Lift