Overview
The Baer Brakes 4302541S is a 13.0 inch Pro Plus rear brake system for 1960 to 1988 Chevrolet and GMC C10-series 2WD trucks running 5 lug, 5×5.00 inch wheels. It is finished in silver and centers on a 6P caliper that clamps a two-piece slotted, drilled and zinc-plated rotor, with W/OE large pattern 10/12 bolt C-clip housing ends.
The backing plate serves as the caliper mount and holds a modern one-piece park brake shoe assembly, so the parking brake is part of the rear package. The caliper is CNC machined in Phoenix, Arizona from US sourced forged or billet aluminum and carries a powder coated silver finish. Rotors come with NAS high grade stainless hardware. The 13 inch Pro Plus suits most 17 inch or larger wheels, but universal wheel clearance cannot be promised, so check the Q135H template against your chosen wheel.
Key features
- Silver powder coated caliper body
- Six-piston layout with staggered pistons for even pad wear
- Stainless steel pistons, abutments and noise suppression clips
- Dual seals for dust, weather and pressure
- Two-piece rotor, slotted and drilled, with a zinc-plated surface and billet aluminum hat
- Vented rotor construction
- Designed around the D0731 pad type
Brake pad choices
Pads do most of the work of stopping, so their compound matters as much as the caliper. Pads matched to the D0731 type fit the pad pocket of this system, but the compound can still vary between street, towing and off-road use. Softer compounds bite earlier and wear faster, while harder compounds last longer and need more heat before they work well.
Pads should be bedded in after installation, which means several moderate stops to transfer an even layer of friction material to the rotor. Skipping this step can leave a glazed surface that squeals or fades under load. Pad replacement is a good moment to check the rotor, caliper slides and hardware.
- Street, towing and trail compound differences
- Bedding procedure after installation
- Caliper slide cleaning and lubrication
- Pad hardware and shims
- Rotor surface condition at pad change
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4302541S |
| UPC | 90127854709 |
| Sold as | Kit |
| Axle | Rear |
| Drive | 2WD |
| Caliper | 6P, floating, 6 pistons |
| Caliper color | Silver |
| Rotor type | 2-piece, vented, slotted, drilled, zinc-plated |
| Rear rotor outside diameter | 13.0 inch |
| Rotor thickness | 1.1 |
| Lug count | 5 lug |
| Wheel bolt pattern | 5×5.00 inch |
| Minimum wheel diameter | 17.0 inch |
| Pad FMSI number | D0731 |
| Template | Q135H |
| Hose material | Steel braided, DOT approved |
| Park brake | Included (one-piece shoe assembly); cables not included |
| Hardware | NAS high grade stainless |
| Emission code | 6 |
| Grade | Performance |
| Country of origin | USA |
Vehicle fitment
The manufacturer fitment list names these trucks for this kit:
- 1960–1986 Chevrolet C10
- 1967–1986 Chevrolet C10 Suburban
- 1987 Chevrolet R10
- 1987–1988 Chevrolet R10 Suburban
- 1966 GMC 1000
- 1960–1965 GMC 1000 Series
- 1975–1978 GMC C15 Suburban
- 1967–1974 GMC C15/C1500
- 1967–1974 GMC C15/C1500 Suburban
- 1979–1986 GMC C1500 Suburban
- 1987–1988 GMC R1500 Suburban
- 1960–1966 GMC Suburban
Not covered: model years outside 1960–1988, and 1975–1978 GMC C15 trucks other than the Suburban version. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Hold the Q135H template against the wheel you intend to run and check clearance first. Park brake cables are not included, so plan the parking brake connection before the truck goes back into service. Rear brake installation is work for an experienced installer, since a brake fault at the rear axle is a serious hazard.
What’s included
The package contains the silver 6P caliper assembly, two-piece 13.0 inch rotors with pre-assembled NAS high grade stainless hardware, the backing plate with its one-piece park brake shoe assembly, and stainless braided hoses with hardware.
Not included: Park brake cables.
