All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology!
PRC's LS3 and L92 Cylinder Heads come standard with the following options:
- NEW GM Cores
- Your Choice Of Valves (Stock GM 106 Grams, Stainless Valve 122 Grams, Hollow-Stem Valve 91 Grams)
- Factory GM Valve Spring Kit
- Completely Assembled and Milled to your Specifications
- 65-70cc Chambers
All PRC cylinder heads are extensively researched and tested. Dyno Tested 25+HP Gains Over Stock 6.2L Cylinder Heads! The flow data below shows the superior performance of the PRC LS3 and L92 cylinder heads!
3.910" Flow plate No Exhaust Pipe
LIFT INTAKE FLOW EXHAUST FLOW
.200" 254 CFM 115 CFM
.300" 223 CFM 170 CFM
.400" 282 CFM 198 CFM
.500" 324 CFM 211 CFM
.600" 351 CFM 228 CFM |