THESE HEADS ARE ON AN EXCHANGE PROGRAM. YOUR HEADS ARE REQUIRED
Valve Job is done on a CNC Newen Single Point Machine
Fully assembled w/o camshafts
Stock size Stainless Steel SI Intake Valves
Stock size Stainless Steel SI Exhaust Valves
Custom Competition Valve Job
New Ford valve seals & retainers
Deck Clean Up
PAC 1234X Springs
Combustion chamber enhancement
Port Volume
In 202cc
Ex 85cc
All numbers from a super-flow 600 @28 in on a 3.630 stock bore. Exhaust flow with a 1 3/4 inch pipe and standard comp.
Stock Heads
Lift intake ex
.100 99 72.2
.200 180.2 147.8
.300 243.5 180
.400 280.0 189.7
.500 289.4 201.4
.600 298.4 202.1
PORTED
.100 100 87
.200 197 158
.300 266 201
.400 303 213
.500 321 224
.600 335 232
.650 337 235
