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302 heads are a good, cheap way to get a little more hp and they are closed chambered which is a good way to bump compression. The 308 head is the same head but had bigger valves. these were used on the 360's. these heads are good performers with mild porting.



Then, a 360 with 308 heads and hypereutectic pistons to increase the compretion its better,, well i think ,Don't???


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