Best aluminum head?
#41
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I bought the promaxx heads this year bare and put the better valves and springs in it. They seem to work well . They say its the old patriot head and its machined in the USA.. All the gaskets lined up perfect.
#42
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iTrader: (1)
Promaxx took over the Patriot heads. Patriot went out of biz.
#43
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I know that but supposedly the took them over. they are even called the freedom series like the patriot ..http://www.summitracing.com/parts/pm...make/chevrolet