BBC - Dart - Dart Pro 20 Ported
Dart Pro 20 ported
20degree
-24 degree
-2.40/1.80 valves
-100cc chambers
-Oval port intake runners
-Uses Shaft rockers
Flow numbers from 4.625 bore no exhaust pipe
Intake Exhaust
.1 72 52
.2 140 112
.3 230 169
.4 306 216
.5 382 251
.6 439 277
.7 474 302
.8 486 322
.9 504 336
1.0 517 344
$4800 Assembled for the pair setup for solid roller cam up to .820lift
Options
-CNC softened Chamber $450
-HIP process on the castings $400
-Add $900 for titanium intake valves