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Originally Posted by cdb95z28
Glam, I tried a google search, no luck, but what is the thickness of the OE Gen 6 1LE front rotor? 32mm? I was thinking your DBA rotor upgrade may work with my ZL1 front 2 piece rotor on my Gen 5 1LE. I too am runing the ST43's and the cracks on my ZL1 2 piece rotors are growing. The Gen 5 ZL1 rotor specs in at 14.6" (371mm) and 1.26" thick (32mm). Thanks
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I found this regarding to the front rotor sizes :
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Chevrolet Performance Brembo front brake system featuring six-piston monoblock aluminum calipers with performance brake pads and two-piece, 14.6" x 1.3" (370mm x 34mm) vented and slotted Duralife rotors (cast-iron braking rings with aluminum hats).
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Those are also the rotor sizes of the C7 Z06 with a different hat design of course.
If I remember correctly, CTS-V, ATS-V, previous gen ZL1 and the new 1LE (and the new SS with 6 piston brembo upgrade) all use the same calipers and rotors/hats so it should most probably work just fine. Don't take my word though, you may want to cross reference the OEM part numbers and make sure those are the same size.