Quote: aren't they max wedge port only ? if so won't help stock port motors
Tex
the 337 is a very small MW size with lots of meat. the heads in this thread are larger than stock anyway. and its only aluminum so it not very difficult to make it work
Gen 3 power 6.22@110, 9.85@135 Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs