PRC CNC Porting Service for 6.4L Hemi Heads
Summary
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PRC CNC Porting Service for 6.4L Hemi Heads
PRECISION RACE COMPONENTS
SKU #PRC-6.4Hemi
CNC Porting Service for Customer Supplied 6.4L Hemi Cylinder Heads
Texas Speed & Performance now offers CNC porting for factory 6.4L Hemi cylinder heads! With CNC machines dedicated exclusively to Hemi head machining, we provide quick turnaround and unmatched consistency. Our mission is to deliver maximum performance while eliminating the “Hemi tax” often seen elsewhere.
Final product price
Kit Components Configured
SKU
PRC-6.4Hemi
Qty
CNC Porting Service for Customer Supplied 6.4L Hemi Cylinder Heads
Texas Speed & Performance now offers CNC porting for factory 6.4L Hemi cylinder heads! With CNC machines dedicated exclusively to Hemi head machining, we provide quick turnaround and unmatched consistency. Our mission is to deliver maximum performance while eliminating the “Hemi tax” often seen elsewhere.
Each set of customer-supplied heads will undergo full teardown, cleaning, inspection, CNC porting, milling, and reassembly. The result is optimized airflow and dyno-proven gains of over 30 horsepower in back-to-back testing.
6.4L Ported Cylinder Head Features
- 5-Axis CNC porting of intake & exhaust runners
- CNC chamber machining with hand blending
- Newen CNC valve seat machining
- Factory springs retained or optional PAC Racing valve springs (extra cost)
- CNC decking to customer’s specs
- Standard Hemi plate – no exhaust pipe
Flow Chart
| Lift | Intake Flow | Exhaust Flow |
|---|---|---|
| .200" | 167 CFM | 118 CFM |
| .300" | 250 CFM | 159 CFM |
| .400" | 327 CFM | 199 CFM |
| .500" | 370 CFM | 222 CFM |
| .600" | 384 CFM | 236 CFM |
| .700" | 392 CFM | 245 CFM |
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