Patriot Performance Ford 4.6 / 5.4L SOHC (PI) Stage II Head Assy W/O Cam.
STAGE II
- CNC Ported
- Patriot Valves
- Patriot Springs
- Stock Retainers
- Bronze Guides
- 5 Angle Valve Job
- NO CORE CHARGE
Valve Size Intake 1.781
Exhaust 1.452
*Super Flow 1020 Flow Bench Ratings
Chamber_cc: 46 | .100 |.200 | .300 |.400 | .500 | .550 | .600
Int_cc: 180 | 64 | 116 | 162 | 192 | 213 | 217 | 218
Exh_cc: 67 | 52 | 98 | 135 | 162 | 182 | 189 | 193
Patriot Performance Heavy Duty Plug Insert For Heads. These help by installing a heavy duty plug insert for hte spark plugs to help stop spark plugs from blowing out the heads which happens on stock heads. |