Anyone know of a GOOD part # for a replacement set of
rotors??Factory disc car

Amazon, ebay, vendors, Rock Auto, now sell decent rotors for the 70-72 cars.
Don't know part numbers.
Google is your friend, or those web sites.

Just go to Rockauto and look it up. Econnomy version is Stock application. Centric makes a replacement for 70, $55 ea. Guy on the Ebody forum bought them and was really pleased for his Challenger. Rotors use same part#. Don't forget 5% discount if you order from them.

Make sure you recheck them. My new drums were off from RockAuto.

Centric rotors at $50-$60 ea for the 70-72 application are just rotors, you'll need to disassemble the hub from your old rotors and install it on the new rotor, complete assys with a new hub from Centric are $140-$150 ea

Another consideration for the OP is using the unicast 73 and up rotors available at any parts store, DrDiff has bearing sleeves to fit the rotors so that the smaller inner (70-72) bearing can be used with the 73-up 1 pc rotor, I've done this conversion many times, zero issues

[/quote] Centric rotors at $50-$60 ea for the 70-72 application are just rotors, you'll need to disassemble the hub from your old rotors and install it on the new rotor, complete assys with a new hub from Centric are $140-$150 ea [/quote]

I thing you have that backwards.
The Centric rotors at $60.00 each are the modern replacement, ONE piece rotor.
You DO NOT take your old hub off your shot rotor, and put it on the one piece rotor.
It can't be done.

The Centric drilled and slotted rotors at $100.00 each are two piece, and those are the ones that require the hub to be transferred over.

Early last year i purchased a pair of the one piece rotors, that i was rebuilding a disc brake set up, for resale purposes.
I was happy with them, and glad something like that was available again, even though the one piece design.

Rick E has these for sale on Ebay...

Much rather pay for NOS myself. Not sure about rotors, but I can say on drums I've gotten serious junk for my Police M Body. It has the HD 11" drums in rear and the last brand I tried was Raybestos and they were junk. Wasn't even worth boxing up and sending back to Rockauto. I junked them and paid out for NOS on ebay.

I hope I'm wrong, but here are photos of Centric rotor that I got. Sure looks exactly like the ones Rick E is selling that fit Challenger Cuda. I would not think nos would be that polished. What say you? Yes, has the "cop car" ribs too.

[img][IMG]http://i65.tinypic.com/25a22d3.jpg[/img][/img]


[img][IMG]http://i68.tinypic.com/vollw6.jpg[/img][/img]

A NOS rotor would be a TWO piece design.
Rotor with a separate hub, attached to it.
The modern aftermarket ones are one piece.
That ebay vendor is just buying them off Rock Auto, Amazon, or other ebay vendors and selling them at his markup price.

So it does look like the Stoptech drilled or slotted rotors do include hub with races. Buyer review purchased for their 70 Challenger and they fit.

https://www.summitracing.com/parts/sph-127-63022l/overview/year/1970/make/dodge/model/challenger

Problem solved:

https://www.ebay.com/itm/1970-71-NOS-MOP...E/183179157030?

You’re welcome

At least the pics are useful

I put the centric ones on my 70 RR about 6 years ago with no issues. They are one piece as pointed out. No fit issues. You also can get the calipers for about $25 from one of the big auto stores. One I purchased even had a date code.

Many folks try to resell stuff at twice the cost from normal outlets.

Floyd Lawson, proprietor.

Floyd Lawson was the man!