100 Rear Brake Application:  GM 12-Bolt Passenger Car Rear Ends with C-Clip Style Housing Ends & Flange Axles with 2.81” Axle Offset Measurement  GM 10-Bolt Passenger Car Rear Ends with C-Clip Style Housing Ends & Flange Axles with 2.81” Axle Offset Measurement  Complete with Modern PBR/C6 style Parking Brake System & Cable Mounts Part Numbers, Caliper Color & Pricing: STB #84.RSR.0705.51 Black $3095 STB #84.RSR.0705.71 Red $3095 STB #84.RSR.0705.R1 Trophy $3795 *Trophy Calipers are fully CNC Machined for lightening & style then Gun Metal Gray Anodized StopTech Rear Brakes – GM 10/12 Bolt A TRUE Triple-Duty brake package. The ST40 4-Piston Calipers, match well with the front ST60s. I utilized larger piston area than our competitors. With 14” AeroRotors the braking force is amazing! This allowed us to use StopTech’s awesome 309 Performance pads that have great cold bite for Autocross, way less dust & squeal compared to AX & Race Pads … and do NOT fade from high temps on Road Courses all the way up to 1200°! As a bonus, the 309 Pads are “Adhesive Technology”, not old school abrasive technology … so your rotors last. Includes Parking Brake Triple Duty Brakes