Overview
The Baer Brakes Pro Plus 4301586B is a black front disc brake kit for 1973–1988 Chevrolet and GMC C10, C15 and R-series 2WD trucks. The powder coated black calipers wrap a 13 inch two-piece rotor, and the 6-piston fixed design suits owners who want a clean, understated stop-and-go upgrade.
Designed in Phoenix, Arizona, the system uses calipers machined from US sourced forged or billet aluminum. Baer intends it for wheels of 17 inch or larger, and it is built around Dse forged aluminum modular spindles that are not part of the kit.
Key features
- Six-piston two-piece caliper in black
- Staggered pistons help reduce uneven pad wear
- Stainless pistons and noise suppression clips
- Dual seal design for dust, weather and pressure
- Slotted, drilled, zinc-plated two-piece rotor on a billet aluminum hat
- Steel braided hoses with DOT approval
- FMSI D0731 pads
Reading rotor and pad wear
Rotors wear slowly, and the signs usually show up first as a pulse through the pedal or a grinding noise during stops. Check the rotor face for deep grooves, heavy scoring or a raised lip at the outer edge, which can keep new pads from seating properly.
Black calipers keep their look well when cleaned, but brake dust still collects on the wheels and around the caliper. Clean the wheels with a non-acidic wheel cleaner and avoid spraying high-pressure water directly into the caliper seals. Replace pads before they wear down to the backing plate.
- A pulsing pedal can indicate rotor runout or uneven wear
- Grinding noise can mean pads are worn through
- A lip at the outer rotor edge can prevent proper pad contact
- Compare rotor thickness against the minimum marked on the casting
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4301586B |
| UPC | 90127853788 |
| Caliper | 6-piston (6P), fixed, two-piece |
| Caliper color | Black |
| Caliper finish | Powder coated |
| Rotor | 13 inch (13.0 inch outside diameter), two-piece, vented, slotted, drilled, zinc-plated |
| Rotor thickness | 1.1 |
| Rotor hat | Billet aluminum |
| Pad type | FMSI D0731 |
| Brake hose | Steel braided, DOT approved |
| Minimum wheel diameter | 17 inch |
| Lug count | 5 lug |
| Wheel bolt pattern | 5×4.75/5×5.00 |
| Spindle type | Dse forged aluminum modular 2.5 inch drop spindles |
| Spindles included | No |
| Template | Q072H |
| Drive | 2WD |
| Axle | Front |
| Grade | Performance |
| Country of origin | USA |
Vehicle fitment
It fits Chevrolet C10 1973–1986 and C10 Suburban, Chevrolet R10 1987 and R10 Suburban 1987–1988, GMC C15 and C15/C1500 1973–1978 with Suburban, GMC C1500 1979–1986 with Suburban, and GMC R1500 1987 with R1500 Suburban 1987–1988.
Trucks outside the years above, including 1989 and newer models and 4WD versions, are not covered. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
The Dse forged aluminum modular spindles are a prerequisite and are not supplied, so have them on hand first. Use template Q072H before final assembly to check wheel clearance on 17 inch or larger rims. Once the kit is on, pump the pedal and bleed the system before any road use.
What’s included
The kit includes two-piece 6-piston calipers, rotors with pre-assembled NAS high grade stainless hardware, all mounting brackets, stainless braided hoses and hardware.
Not included: Dse forged aluminum modular spindles.
