Description
The Baer Brakes 12" SS4 Rear Brake Kit (Part #4402000FR) is a high-performance rear axle upgrade specifically designed for Jeep owners seeking both rugged capability and bold visual appeal. Finished in an eye-catching Fire Red, this kit is engineered for the rear axles of 2007–2017 Jeep Wrangler JK, 2018–2025 Jeep Wrangler JL, and 2020–2025 Jeep Gladiator JT equipped with OE rear ends.
At its core, this system uses Baer’s premium S4 4-piston floating calipers, CNC-machined from US-sourced forged or billet aluminum at Baer’s Phoenix, AZ manufacturing facility. The calipers feature hard anodized aluminum pistons, stainless steel abutments, and noise suppression clips for long-lasting, smooth operation under extreme conditions.
The included 12.4-inch rear rotor is a 1-piece, vented, slotted, drilled, and zinc-plated design that provides superior heat dissipation and brake performance. The calipers are sealed to meet D.O.T. requirements for dust and weather protection, ensuring year-round reliability.
Features:
- High-performance S4 4-piston calipers with Fire Red powder-coated finish.
- CNC-machined from forged or billet aluminum, made in the USA.
- Includes complete mounting hardware and brackets.
- 12.440-inch rotors, 1-piece, vented, slotted, drilled, and zinc-plated.
- Calipers equipped with hard anodized pistons, stainless steel abutments, and noise suppression clips.
- Dual internal seals provide dust/weather and pressure protection.
- Requires minimum 17-inch wheels (fitment verification via template recommended).
- Designed to reuse the OE parking brake system.
- Brake hoses are not included in this kit.
Fitment:
- Direct fit for 2007–2017 Jeep Wrangler JK, 2018–2025 Jeep Wrangler JL, and 2020–2025 Jeep Gladiator JT, all with OE rear ends.
Important Notes:
- Intended for vehicles with OE rear ends only.
- Parking brake system is retained from the original setup.
- Rotor thickness: .447 inches.
- 5-lug bolt pattern (5x5.00).
- Meets Prop 65 standards for chemical disclosures related to Toluene Diisocyanate and Nickel.
