260cc Aluminum LS1 Cylinder Heads | ||
---|---|---|
Part # | Description | Combustion Chamber |
1840 | CNC Ported w/parts - 6 Bolt | 69cc |
1845 | CNC Ported w/parts - 4 Bolt | 69cc |
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260cc Large Bore Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .650 | .700 | |
Int | 159 | 234 | 293 | 336 | 366 | 377 | 384 |
Exh | 112 | 158 | 207 | 235 | 248 | 251 | 255 |
Test conducted at 28' of water (pressure) on Superflow 600
Bore Size: 4.060', intake 3/4' radius plate exhaust, 1 3/4' curved pipe