Originally Posted by sprmonte
I bought a new set of pistons suppposed to be 30 over for a 383 sbc(from an individual) . Once they arrived the only info I can find is under the pistons it says ross hc 400. Any help with these numbers will be greatly appreciated.
Mine have a Job # inscibed on the Flat of the Wrist pin Boss.It should be like a 6-Diggit #.
Later
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