Overview
The Baer Brakes 4302477R is a red Pro Plus rear brake system kit for the 1992–1993 GMC Typhoon, shipped with the original equipment rear end housing. It pairs a six-piston caliper with a two-piece zinc-plated rotor that measures 14 inch in diameter.
It is a complete performance system. The rear hubs arrive finished, with bearings and races installed and packed with Redline synthetic grease, and the assembly is bolted to the control arms. The caliper is built in Phoenix, Arizona, and the kit ships in 2 boxes.
Key features
- Red powder coated finish
- Six-piston, two-piece 6P caliper built in Phoenix, Az
- Stainless steel pistons, abutments and noise suppression clips
- Staggered pistons that help reduce uneven pad wear
- Dual seals resist dust, weather and pressure
- Two-piece slotted, drilled, zinc-plated rotor on a billet aluminum hat
- Hubs pre-assembled with bearings and races packed with Redline synthetic grease
Choosing the right setup
Rear brake upgrades work best when the caliper, rotor and wheel are considered together. A larger rotor leaves less room inside the wheel, and a heavier caliper can change how the suspension and hub load under braking. Before buying, think about the tires you run, the wheel offset, and how the vehicle is used, whether that is daily driving, towing or trail work.
Once the new assembly is installed, bed in the pads gently and recheck the hardware after the first few drives. Brake fluid should be fresh and the lines should be free of leaks. Keep the rotor surface clean and avoid greasy contact with the pads, since oil on friction material reduces braking.
- Match the pads to the rotor and the way the vehicle is driven
- Recheck wheel lug torque after the first few drives
- Keep the brake fluid fresh and inspect the lines for leaks
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4302477R |
| UPC | 844165047193 |
| Sold as | Kit |
| Axle | Rear |
| Caliper | 6P, six-piston |
| Caliper color | Red |
| Caliper body | CNC machined from forged or billet aluminum |
| Pistons | Stainless steel |
| Finish | Powder coated |
| Rotor | Two-piece slot, drilled, zinc-plated |
| Rotor hat | Billet aluminum |
| Rotor diameter | 14 inch |
| Rotor surface | SDZ |
| Minimum wheel diameter | 18.0 inch |
| Template | Q110P |
| Box count | 2 |
| Country of origin | USA |
Vehicle fitment
It is designed for the 1992–1993 GMC Typhoon and includes the rear Pro Plus system with the original equipment rear end housing. The kit is vehicle-specific, so check wheel clearance with the Q110P template.
Other GMC and Chevrolet trucks are not on this list, and other Typhoon years are not covered. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Because the hubs are assembled before shipping, the main job is mounting the rear assembly to the control arms as Baer describes. Test-fit the wheel against the Q110P template first and check that it clears the 18.0 inch minimum wheel diameter. Brakes are safety-critical, so have a qualified technician complete the installation and check the system before the vehicle is driven.
What’s included
The package is a complete rear brake system sold as a kit, with a box count of 2. The hubs come with bearings and races already installed and packed with Redline synthetic grease, and the red caliper and rotor hat are part of the assembly.
