Tone I noticed this tread by you.

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I got one set in from them but unfortunately, my telling them repeatedly that I had ABS did not allow them to send the right ones. Replacements are being sent and they are paying the freight back on the set that is not tapped for the ABS ring. A good time to replace rotors FYI is when you are greasing your wheel bearings.

Also, drilled rotors are NOT recommended on heavy vehicles due to the excess heat and stress out on them. I got the diamond slotted ones. Pics this weekend when they go on.
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What do I look for on the front rotors to tell it's tapped for the ABS ring?