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Baer Sport Baer Brakes 12 Inch Rear SS4 Brake System with Park Brake Black for 79-92 Mustang 5 Lug - 4262274B

Alright, let’s dive into what makes this rear brake system a solid choice for your Mustang. This setup features the S4 4-piston calipers, which are paired with a robust 12-inch one-piece rotor that’s been slotted and drilled for better heat dissipation. You’ll appreciate the zinc plating, too—it helps keep rust at bay and maintains that fresh look over time.

One of the standout features here is the billet backing plate. It’s not just a pretty face; it serves as the caliper mount and houses a modern Banksia park brake assembly. This is a much better option compared to the traditional drum-in-hat systems you see on a lot of older cars. Plus, the Banksia setup uses the same shoes as the late model Corvette C5/C6, so you know it’s a solid piece of engineering.

Now, let’s talk fitment. This kit is designed specifically for the 1979-1992 Ford Mustang with an 8.800-inch Ford C-Clip rear. It uses a 5 x 4.500-inch wheel bolt pattern, so make sure your wheels match up. The 12-inch rotors will fit most 15-inch wheels, but it’s always a good idea to double-check with a template just to be safe.

Why Should You Consider the SS4?

  • It comes with a 1-piece 12-inch directionally vaned rotor that’s built for performance.
  • If you’re also looking at our Track4 front brake system, this rear setup makes for a perfect match.
  • The fully machined billet backing plate not only looks good but also holds the Banksia park brake assembly securely.
  • Complete with all the necessary hoses, fittings, park brake cables, and hardware—no need to hunt down extra parts.

What’s Inside the S4 Caliper?

  • Four 10mm cross bolts that give it maximum stiffness, so you know it’s built to last.
  • Stainless steel abutments and noise suppression springs keep things quiet and smooth.
  • Hard anodized aluminum pistons that resist wear and tear.
  • An internal crossover design for better fluid dynamics.
  • Dual seals that meet D.O.T. specifications for dust, weather, and pressure—because safety matters.
  • Each caliper features a machined logo that’s hand-painted for that extra touch.
  • It uses a common 4-piston pad for easy replacements (P/N DR1).
  • Available in a black powder coat finish, with standard colors like red, black, or silver, plus custom colors if you’re looking to stand out.

And let’s not forget, everything is 100% MADE IN THE USA with materials sourced right here. If you’re serious about upgrading your Mustang’s braking performance, this rear brake system is a no-brainer.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Ford Mustang 1979-1982 Ghia
Ford Mustang 1979-1984 Base
Ford Mustang 1981 Cobra
Ford Mustang 1982-1983 GL
Ford Mustang 1982-1983 GLX
Ford Mustang 1982-1984 L
Ford Mustang 1982, 1985-1992 GT
Ford Mustang 1983 Turbo GT
Ford Mustang 1984 GT-350 20th Anniversary
Ford Mustang 1984 SVO
Ford Mustang 1984 LX

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Who is Baer Sports?

Baer Sports is a company that is based in Phoenix, Arizona, and was founded in 1986. The company specializes in manufacturing brake component products for the automotive industry. They provide an upgrade from the stock factory unit which suits drivers who appreciate a high level of driving performance on the street and on the track. Today, they are one of the leading brands when it comes to braking system parts.

Brake System Experts

Baer offers a wide range of products ranging from larger calipers, brake rotors, brake masters, brake pads, and wheel spacers. They also offer conversion kits that turn your drum brakes into discs. That is why they are the favorite brand of many classic car owners who prefer the old-style look of classic cars but want the braking power of modern vehicles.

Consistent Quality Products

The company has always pushed itself in developing and manufacturing innovative parts that would meet the demand of their customers. They make sure that all their facilities have the same quality measures in place to ensure defect-free manufacturing.

Purchase Baer Products At Vivid Racing

If you are in the market for quality brake parts for your vehicle, then Baer Sports is the brand for you. They offer the best parts in the market today and are used by multiple enthusiasts from all over the world. Having both form and function, Baer Sports is the brand you can trust. To know more about Baer, visit Vivid Racing and check out their list of offerings that would fit your specific requirement.





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