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
Oversized Stainless Steel Intake Valves
Oversized Stainless Steel Exhaust Valves
Custom Competition Valve Job
Custom Pac Racing Valve Springs
New Ford valve seals & retainers
Deck Clean Up
Combustion chamber enhancement
Port Volume
In 208cc
Ex 88cc
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
.100 102 88
.200 205 160
.300 271 205
.400 305 221
.500 327 232
.600 339 243
.650 342 249
