Overview
The Baer Brakes 4302340FR is a rear SS4 Plus disc brake system for 60-87 GM C10 2WD trucks, fitted with OE large pattern 10/12 bolt C-clip housing ends and a 6 lug 6×5.50 bolt pattern. The Fire Red kit pairs a 4-piston S4 caliper with a 13 inch slotted, drilled rotor.
Fire Red is the caliper finish, applied as a powder coat over CNC machined aluminum. Rotors are pre-assembled with NAS stainless hardware, the backing plate houses a one-piece park brake shoe assembly, and the system specifies DR1-C pads. The listed minimum wheel diameter is 17.0 inch.
Key features
- Floating 4-piston S4 caliper in a two-piece design
- Fire Red powder coated finish
- Forged or billet aluminum body, CNC machined
- Hard anodized pistons with stainless abutments and noise suppression clips
- Dual seals rated against dust, weather and pressure
- Slotted, drilled rotor with zinc-plated surface and billet aluminum hat
- Parking brake shoes built into the backing plate
- DOT approved braided brake hoses
Rotor and pad wear
Rotors and pads wear together, so think about them as a pair. A vented rotor with slots and drilled holes handles heat differently from a plain rotor, but the surface still wears and needs inspection. Look for uneven thickness, heat spots, cracks around the drilled holes and a lip forming at the outer edge of the friction surface.
Pad choice affects bedding, noise and dust. Stay with the pad type matched to the caliper, and bed new pads in gradually before heavy braking. Clean the hub face and rotor hat so the rotor sits flat, since a loose or dirty mounting face can cause pulsing that feels like a warped rotor.
- Check the rotor surface for heat spots and cracks
- Match pad type to the caliper
- Bed in new pads gradually
- Clean the hub face before mounting the rotor
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4302340FR |
| UPC | 90127879313 |
| Caliper | S4, 4-piston, floating |
| Caliper color | Fire Red |
| Pad FMSI number | DR1-C |
| Rotor outside diameter | 13.0 inch |
| Rotor type | 2-piece, vented |
| Rotor thickness | 0.81 |
| Rotor surface | Slotted, drilled and zinc plated |
| Minimum wheel diameter | 17.0 inch |
| Lug count | 6 lug |
| Wheel bolt pattern | 6×5.50 |
| Axle flange | OE Large Pattern 10/12 Bolt C-clip housing ends |
| Axle | Rear |
| Drive | 2WD |
| Brake hose DOT approved | Yes |
| Park brake shoe | Included |
| Park brake cables | Not included |
| Template | S135H |
| Grade | Performance |
| Country of origin | USA |
Vehicle fitment
Manufacturer-listed fitment for this kit runs as follows.
- 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
Vehicles not named in this list, including four-wheel-drive K-series models, are not covered by the stated application. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Begin with a wheel clearance check using the S135H template, because the 13 inch rotor needs a wheel of at least 17 inch. Park brake cables fall outside this kit’s contents. Have a qualified technician perform the installation.
What’s included
Included are the Fire Red S4 caliper, the 13 inch two-piece rotor, the backing plate and park brake shoe assembly, braided brake hoses, and the stainless rotor and hose hardware.
Not included: park brake cables.
