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25500030
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Stage II Cylinder Head (Aluminum)
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The aluminum Stage II cylinder head is a light alloy head with rectangular intake ports and square exhaust ports. 100 valve angles, unfinished seats for 2.02" diameter intake valves and 1.60" exhaust valves are installed. This uses 3/4" tapered seat spark plugs. Comes without valve guides installed.
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Technical Notes: Stage II aluminum heads use the six bolt pattern found on Stage II blocks which require longer studs and are available from aftermarket sources. Requires rocker cover P/N 25500122, rocker cover gasket P/N 25500175, intake gasket P/N 25500173, exhaust gasket P/N 25500174, and intake P/N 25500029 or P/N 25500170.
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