Description
Deliver maximum rear braking performance and stealthy style to your Chevy, GMC, or Cadillac with Baer's Extreme+ 15” Rear Brake Kit in Black. Built for 1999–2019 GM 1500 trucks and 2000–2020 GM 1500 SUVs with factory disc brakes and manual park brakes, this upgrade combines race-ready performance with daily driver reliability.
The system is centered around Baer’s monoblock 6-piston 6S calipers, precision-machined in-house from 2618 forged aluminum and finished in sleek black powder coat. These calipers utilize staggered stainless steel pistons and abutments for consistent pad wear and outstanding heat management.
The massive 15-inch two-piece rotors are slotted, drilled, and zinc-plated for long-term corrosion protection and increased thermal efficiency, and come pre-assembled with aerospace-grade stainless fasteners and billet aluminum hats.
Fits most 19” or larger wheels. Will not fit drum brake rears or vehicles with electronic parking brake.
Key Features:
- 6-Piston Monoblock Calipers – Precision CNC machined from US 2618 aluminum
- Black Powder Coat Finish – Durable, stealthy performance look
- Staggered Stainless Pistons – Reduces pad taper and promotes even wear
- DOT-Compliant Dust & Pressure Seals – Street-legal and weather-resistant
- 15” 2-Piece Vented Rotors – Slotted, drilled, and zinc-plated for optimal heat dissipation
- Billet Aluminum Rotor Hats – Lightweight and precision-machined
- Pre-assembled with High-Grade Hardware – Ready for install with included brackets
- Reuses OEM Park Brake System and Hoses
Vehicle Fitment:
- Chevrolet Avalanche / Silverado 1500 (1999–2019)
- GMC Sierra 1500 (1999–2019)
- Chevrolet Tahoe / Suburban (2000–2020)
- GMC Yukon / Yukon XL (2000–2020)
- Cadillac Escalade (2000–2020)
- Only for vehicles equipped with OEM rear disc brakes and manual parking brake.
Technical Specifications:
- Part Number: 4302421B
- UPC: 844165049784
- Caliper Type: 6S Fixed, 6-Piston
- Caliper Color: Black
- Rotor Diameter: 15.000 in
- Rotor Thickness: 1.250 in
- Rotor Type: 2-Piece, Vented
- Brake Pad Type: D1247
- Wheel Lug/Bolt Pattern: 6x5.50
- Minimum Wheel Diameter: 19 in
- Includes Park Brake: No – Reuses OE manual park brake
- Template: N228U
- Category: Performance Brake Kit
- Emission Code: 6 (Not for pollution-controlled vehicles in CA)
Fitment Notes:
- For OE rear disc brake systems only
- Not compatible with rear drum brakes or electronic parking brake systems
Why Choose the Baer 15" Extreme+ Brake Kit in Black?
When performance meets precision, you get the Baer Extreme+ series. This kit not only dramatically improves your truck or SUV’s stopping ability but adds a subtle, stealthy finish with black 6S calipers. Designed for aggressive driving, towing, or spirited street performance—Baer gives you the tools to stop with confidence.
