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cracked head
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09-19-2010, 09:06 PM
sixto
smoke gets in your eyes
Join Date: Jun 2000
Location: Eastern TN
Posts: 20,841
Probably from a bolt pattern standpoint but the prechamber and valve reliefs in 603 pistons won't align with their 606 counterparts. And the 606 has four valves to the 603's two. I imagine the front covers are different as well.
Sixto
87 300D
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