Product Description
Kit includes:
- 2 ea light weight rotor hats - Drum parking brake compatible.
- 20 set of assembly hardware.
- 2 ea caliper spacers & longer bolts for optional oversized (390mm) rotors
- 1 set ccb brake pads (optional)
Installation Note:
- If you choose 380x34mm rotor, the rear calipers modification is required (widen the pad/disc groove).
- Dust shield trimming trimming is required to clear the disc mounting tabs.
Features
- RB rear hat is 100% compatible and retains OE emergency brake, unlike others that made the hat from machining the aluminum just to fit brake shoes but can't be used for emergency braking.

Reference links for GM rotors:
Product Videos
Custom Field
Product Reviews
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installed on 2018
I didn't want to play around with the oem caliper in the rear so went with this hat to install the 390x32 brembo ring. really happy with the result. one additional thing to note besides cutting a piece of the dust plate. for my 2018, the dust plate has bumps that come in contact with the back of the rotor ring screws. make sure to bend those sections back about 2mm sure you don't grind the screw heads and make noise.