Overview
The Baer Brakes 4262773S is a rear SS4 brake system in silver, built for Ford 9 inch rear axles with Torino (late big) bearing housing ends. It uses an S4TL four-piston caliper on an 11-inch one-piece slotted, drilled, zinc-plated rotor, with a 5×4.50/5×4.75 bolt pattern. No vehicle years or models are given for this kit, so the axle flange and bolt pattern are the points to check against your rear end.
Baer’s backing plate doubles as the caliper mount and houses a compact park brake assembly, which Baer says improves wheel fitment. Stainless braided hoses and hardware are included, and the caliper uses a banjo-type inlet with no pipe threads. The pad type is FMSI 6070013.
Key features
- Two-piece, four-piston S4TL top-loaded caliper
- Backing plate that mounts the caliper and houses the park brake assembly
- Hard anodized aluminum pistons with stainless steel abutments
- Dual dust/weather and pressure seals
- 11-inch one-piece slotted, drilled, zinc-plated vented rotor
- Stainless braided hoses with banjo-type inlet
- Park brake assembly included
On the trail and the street
A rear disc conversion changes how the axle loads during braking, so the axle bearings, the pinion area and the rear suspension mounts all see different forces than with drum brakes. Inspect them when the system is installed and look for play or leaks at the flange after the first drives.
Parking brake function depends on the cable routing and the lever linkage, so check that the cables move freely and that the lever holds the vehicle on a grade before relying on it. Brake lines should be routed clear of exhaust heat and suspension travel.
- Check axle bearings and flange seals after installation
- Inspect the parking brake cable routing and lever travel
- Look for line chafing near suspension travel
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4262773S |
| UPC | 90127974971 |
| Axle | Rear |
| Axle flange | Ford 9 Inch Torino / Late Big bearing |
| Caliper | S4TL, two-piece, top loaded, fixed |
| Piston quantity | 4 |
| Caliper color | Silver |
| Caliper body | CNC-machined forged or billet aluminum, powder coated |
| Pistons | Hard anodized aluminum |
| Rotor outside diameter | 11.0 inch |
| Rotor construction | Vented, one-piece, slotted, drilled, zinc-plated |
| Rotor thickness | 1.02 (inch) |
| Brake pad FMSI number | 6070013 |
| Template | ST217A |
| Lug count | 5 |
| Wheel bolt pattern | 5×4.50/5×4.75 |
| Minimum wheel diameter | 15.0 inch |
| Hose material | Steel braided |
| Brake hose DOT approved | Yes |
| Park brake | Included |
| Park brake cables | Not included |
| Emission code | 6 |
| Country of origin | USA |
| Sold as | Kit |
Vehicle fitment
This kit is matched on the Ford 9 inch axle flange (Torino / Late Big bearing) and the 5×4.50/5×4.75 bolt pattern. Confirm both details against your rear end before fitting.
Rear axles with other flange designs or bolt patterns fall outside this kit. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Use Baer template ST217A to check wheel clearance, since Baer cannot guarantee fit to every wheel style. The park brake assembly sits in the backing plate, but park brake cables are not included, so cables must be sourced separately for the park brake to work. Brake work affects stopping, so a qualified installer should set up and bleed the system.
What’s included
The kit includes the two-piece S4TL caliper, the 11-inch slotted, drilled, zinc-plated rotor, the backing plate with park brake assembly, stainless braided hoses and hardware.
Not included: Park brake cables.
