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05-04-2008, 01:11 PM | #1 |
Junior Member
Join Date: Nov 2005
Location: indiana
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aluminum heads bbc
im thinking of buying aluminum heads for my 454 LS6. mark 4 motor. i want to use the gm heads #12363400 rectangle port open chamber. what head gaskets do you guys use. is there any horsepower increase. than iron rectangle port heads. id like the weight savings of aluminum..any pros or cons to these..thanks tom
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05-05-2008, 11:02 AM | #2 |
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Join Date: Jun 2002
Location: New Holland, PA Mooresville,NC
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Re: aluminum heads bbc
NHRA head is 12363408 the last 3 casting # 401 on the head
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Bob Pagano A/SA |
05-05-2008, 01:14 PM | #3 |
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Location: Lake Orion, Michigan
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Re: aluminum heads bbc
castle 5, I have a set of "401" castings by C.F.E complete and ready to bolt on. These heads are super stock legal. Call me 248-342-3117 Luke
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