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TkrPerformance · 10-05-2009

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.

10-05-2009	#10
TkrPerformance Join Date: Oct 2003 Location: edward lake Drives: toaster Posts: 6,431	Re: evo3 head vs. 1g head 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.