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View Full Version : Please help with Wilwood rear part number



80Camaro
11-29-2014, 07:47 AM
I cannot believe I am having so much trouble finding the right part number for the disc brake conversion. My rear end is a basic Corporate 10 bolt built in 1979 with a little 2.84" lip that the backing plate mounts on against the flange, 2.75" offset, and an actual tube end diameter of 2.550" . The flange identical to mine on Wilwood's flange page is labeled '64-70 Buick/Olds/Pontiac and has the wrong bearing O.D.. The other that has the right dimensions is shaped a little differently and is labeled "12 bolt-Late-1993-2002 Camaro. There were no 12 bolts in 4th Gen. Camaros. I have spoken to techs at Wilwood but have not been given a definitive part number. This is getting rediculous. Why can't it be as cut and dry as Baer's site which only has 2 choices for 10 bolts... according to year ranges. Thanks for any help