evo3 head vs. 1g head

[TkrPerformance]

ok
evo 3 head
2g size intake ports
the intake ports are a straight shot to the valves
uses 2g gasket
they have bigger cams stock over a dsm
the springs are alittle heaver
the valves are lighter and sodium filled (If it is the evo III head and not a evo I-II head)
uses a 94 style halo cas
the evo I-III heads are pretty much the same you need a casting number to find out what it came off of.