The Baer Brakes 4262280R is a complete 13-inch SS4+ rear big brake upgrade kit featuring red powder-coated calipers and a slotted, drilled, zinc-plated (SDZ) 2-piece rotor assembly with integrated park brake. Engineered and assembled in Phoenix, AZ using US-sourced materials, this system delivers a dramatic improvement in rear braking performance over factory components.
S4 Four-Piston Caliper
The heart of the system is Baer's compact but powerful S4 caliper, CNC machined from forged or billet aluminum sourced in the USA. Hard anodized aluminum pistons apply clamping force to both sides of the rotor simultaneously for maximum stopping force. The caliper features stainless steel abutments and noise suppression clips, dual D.O.T.-compliant dust/weather seals and pressure seals, and is finished in a durable red powder coat for corrosion resistance and lasting good looks.
2-Piece Slotted, Drilled & Zinc-Plated Rotor
The 13-inch 2-piece rotor pairs a slotted and cross-drilled zinc-plated iron ring with a black anodized 6061 T-6 billet aluminum hat. Pre-assembled with NAS high-grade stainless hardware, the 2-piece design reduces unsprung weight while improving heat dissipation compared to traditional 1-piece rotors. The 13-inch SS4+ is designed to fit most 17-inch or larger wheels.
Integrated Park Brake Assembly
Baer's uniquely designed backing plate serves double duty — it acts as the caliper mount and houses a modern 1-piece park brake shoe assembly, providing full parking brake functionality without the need for a separate secondary caliper.
Complete Kit — Everything Included
- 2-piece 4-piston S4 calipers (red powder coated)
- 13-inch 2-piece slotted, drilled, zinc-plated rotor and billet aluminum hat assemblies
- Park brake assembly with cables
- Stainless braided brake hoses and system hardware
- DR1-C / HB100 ceramic compound street brake pads
- Caliper mounting brackets
Key Specifications:
- Rotor Diameter: 13 inches
- Rotor Style: 2-piece, slotted, drilled, zinc-plated (SDZ)
- Rotor Hat Material: 6061 T-6 billet aluminum, black anodized
- Caliper Type: S4, 2-piece, 4-piston
- Caliper Material: CNC machined forged or billet aluminum (US-sourced)
- Piston Material: Hard anodized aluminum
- Caliper Finish: Red powder coat
- Pad Type: DR1-C / HB100 ceramic street compound
- Seals: D.O.T.-compliant dual dust/weather and pressure seals
- Hardware: NAS high-grade stainless steel throughout
- Wheel Clearance: Fits most 17-inch or larger wheels
- Manufactured: Phoenix, AZ, USA
The Baer SS4+ rear brake kit is engineered for serious street performance and pro-touring builds, offering racetrack-level engineering in a package suited for daily driving and aggressive street use.