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question on speed pro pistons

1K views 2 replies 3 participants last post by  cobalt327 
#1 ·
I need to buy a set of rings for a set of speed pro pistons. I can't find the part number in Jegs or Summit. The part number is L2239NF60. I know they are for a 427 with closed chambered heads. BUt I have had no luck in finding the part number. Any help would be greatly appreciated. THANKS
 
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