My Aerospace front discs are blued and cracking. Obviously time to replace them. Of course my car is a 3900 lb sled that traps 150+ mph, so it's hard on brakes. I need some rear discs bad...still running factory 11" drums on the back.

CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax