I just got .130" thickness on a 11" backing plate (I'd think all of em would very close to that dimention). You might go ahead with the rear rotors & here are some 4" SBP and 4 &1/2" BBP ones. I gotta get some oil on em before they rust further.

SAM_0529.JPG
live every 24 hour block of time like it's your last day on earth