sbc ross pistons help!!!!!

[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.

[hammertime]

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.

measure them ?

[bbchevy]

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
g 8)

[claytonsperf]

Sorry but that info on the bottom of the piston is for casting, check the book if there, or any other #'s then call Ross.