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carb hp500 heads

Old 09-22-2012, 09:57 PM
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Default carb hp500 heads

can anyone tell me what heads these are...what kinda valves exct.....cast 14097088..a025..gm1



thanks Brian
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Old 09-23-2012, 10:04 AM
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GM rectangle port. 2.19/1.88 valves stock, 119cc chambers, 325ish cc intake runner size.

Pretty much came on every mercruiser from a 454/365HP to a 800sc 572.
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Old 09-23-2012, 12:59 PM
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Yup,,,,,nutin special there
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Old 09-23-2012, 01:03 PM
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If they are true hp 500 heads then the intake valves would be 2.25 intake valves..
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Old 09-23-2012, 11:35 PM
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Originally Posted by mrfixxall
If they are true hp 500 heads then the intake valves would be 2.25 intake valves..
Yup. 2.19 are on the standard 088 heads.
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