| Precision Race Components 6.0L Stage 3 CNC ported cylinder heads: Fully CNC-ported LS1/LS2/LS6-based cylinder heads! Setup for big cubic inch LS-based engines!
Features:
- NEW GM Cores
- Manley Valves 2.08 / 1.60
- PRC Double Spring Kit Complete With Springs, Titanium Retainers, Seats, & Seals
- Completely Assembled & Setup To Your Specs!!
Flow Data
3.910" Flow plate No Exhaust Pipe
LIFT INTAKE FLOW EXHAUST FLOW
.200" 147 CFM 114 CFM
.300" 211 CFM 154 CFM
.400" 262 CFM 194 CFM
.500" 301 CFM 211 CFM
.600" 324 CFM 230 CFM
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