670 Heads
04-13-2006, 11:55 PM
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670 Heads Hey guys I am almost finished porting my old 670 poncho heads and I cant remember the valve stem length, did these use the older style long ones, or the new style shorter ones. I cant remember. I will have to go back to my scrap pile and find the old ones I guess.
04-14-2006, 02:48 AM
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