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Forum: Test & Tune 02-19-2015, 04:25 AM
Replies: 5
Views: 712
Posted By rexs73gto
Depending on which 4X heads you have using the 6X...

Depending on which 4X heads you have using the 6X heads , the only thing your going to do is get some praticce in replacing heads. The heads were used for the same engine usage , to keep the...
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