Patriot Performance Ford 4.6L/5.4L SOHC (PI) Stage II Head Bare.
Patriot Performance Ford 4.6L/5.4L SOHC (PI) Stage II Head Bare
Stage II 1020 Superflow Bench 3.552 Bore
Lift
1.78" Intake Valve
1.452" Exhaust Valve
.100
64 cfm
52 cfm
.200
116 cfm
98cfm
.300
162 cfm
135 cfm
.400
192 cfm
162 cfm
.500
213 cfm
182 cfm
.550
217 cfm
189 cfm
.600
218 cfm
193 cfm
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