Cam question

Bought a new camshaft and lifters from guy online, supposed to be a Mopar .590 solid lifter cam. I measured the lobes, it's .570 lift with 1.5 rocker ratio. Part number on end is
4120662, have been looking for data , not finding anything with that number.
Anyone recognize the number? thanks

BB P4120663
SB P4120657

the bb one is 312/312 adv dur. 104 overlap 106 cl .590/.590 lift 28/32 lash 3400-6900 basic RPM range spring rec P2806077 & says drag super comp. SB one has same exact specs (surprisingly) with spring p3614542 recommended & 4500-7000 RPM range, says drag pro comp, auto, with race converter. all above from MP 2001 catalogue. EDIT going from the above cam (663) (657) #'s

Hmm, curious.

P4120661, 296-110, .557"
P4120662, you say, .570"
P4120663, 312-106, .590"

Have you measure the lobe lift yet? If not do that and post it on here, all lifts advertised are usually gross lift, not net lift so the valve lash has to be added onto the lobe lift to get the same results
Did you know Mopar has had a number of different vendors grind there cams? Not all of the vendors grind the same cam part number the same way with the same results between the different vendors
One of the many reasons I don't buy and use that brand anymore on any of my motors

I measured Lobe lift, it's .380 x 1.5 rocker ratio is where I calculate the lift at valve .570. Actual measured lift is .565 at valve with zero lash. Setting the lash to .025 reduces lift to .540.
I have run several Mopar cams and and found the lift on the box is actual lift at zero lash, within a few thou.

I'm puzzled by the odd part number. I looked at some old mopart parts catalogs, nothing listed. Also the number is not stamped, it's a dot matrix number. If I had a receipt, I would return it.