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Baer Brakes S4 Brake System Front 70-73 Ford Mustang 70 Fairlane 70 Falcon 70-74 Maverick 70-71 Torino And 70-73 Mercury Cougar 71-74 Comet 70-71 Montego 70 Cyclone W/OE Drum Brake Spindle Grabber Blue 11.29 Inch – 4261647GB

Baer Brakes

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  • Baer Brakes S4 front disc brake kit, part number 4261647GB, Grabber Blue caliper
  • Fits 1970 to 1974 Ford and Mercury models with drum brake spindles
  • Four-piston S4TL caliper on an 11.29 inch vented rotor
  • Brackets, braided hoses and hardware included

Description

Overview

The Baer Brakes 4261647GB is a front S4 brake system with a Grabber Blue caliper, aimed at 1970 to 1974 Ford and Mercury models that originally used drum brakes up front. It combines a 4-piston S4TL caliper with an 11.29 inch vented rotor.

The SS4 design is a scaled-down version of Baer’s larger brake systems, fitted here to 15 inch wheels. Applications include the Ford Mustang, Fairlane, Falcon, Maverick and Torino and the Mercury Comet, Cougar, Cyclone and Montego, detailed under vehicle fitment below. Grabber Blue is the caliper color named by Baer.

Key features

  • S4TL four-piston caliper with top loading for simpler pad changes
  • Aluminum pistons hard anodized, paired with stainless steel abutments and noise suppression clips
  • Dust, weather and pressure sealed by dual seals
  • Caliper powder coated and machined from forged or billet US-sourced aluminum
  • Integral hub rotor is 1-piece, slotted, drilled and zinc-plated
  • Rotors come with bearing races and premium bearings, greased with Redline synthetic, plus new dust caps
  • Brackets, braided hoses and hardware included with the system

Checking spindles and clearance

Spindle type decides whether a disc conversion is practical. A drum-equipped front end has a backing plate and drum assembly around the hub, while a disc setup mounts a caliper bracket to the spindle. Look over the hub, spindle and dust shield before ordering so you know what is already on the car.

The hub bearings are opened during a rotor install, so their condition is worth checking at the same time. Look for roughness, play and dry or discolored grease. Clean the spindle and mating surfaces before the new rotor goes on, since rust or debris can throw off how the rotor seats.

Wheel clearance is the last check. Measure the space between the wheel’s inner barrel and the caliper body before ordering wheels, and remember that tire size can change clearance as well.

  • Spindle identified as drum-type before ordering
  • Hub bearings inspected and repacked or replaced as needed
  • Mating surfaces cleaned and free of rust
  • Wheel and tire clearance measured against the caliper

Specifications

Brand Baer Brakes
Part number 4261647GB
UPC 90127974278
Caliper S4TL, 4-piston, fixed
Caliper color Grabber Blue
Rotor outside diameter 11.29 inch
Rotor construction Vented, 1-piece integral hub
Rotor thickness 0.94
Rotor surface Slotted, drilled and zinc plated
Lug count 5 lug
Wheel bolt pattern 5×4.50
Wheel stud size 1/2-20 x 2.25 inch
Minimum wheel diameter 15.0 inch
Hose type Braided, DOT approved
Disc brake pad FMSI number 6070012
Template ST168B
Axle Front
Grade Performance
Sold as Kit
Country of origin USA

Vehicle fitment

It fits these OE drum brake spindle applications: 1970 Ford Fairlane, 1970 Ford Falcon, 1970 through 1974 Ford Maverick, 1970 through 1973 Ford Mustang, 1970 through 1971 Ford Torino, 1971 through 1974 Mercury Comet, 1970 through 1973 Mercury Cougar, 1970 Mercury Cyclone and 1970 through 1971 Mercury Montego.

Years beyond those ranges, such as a 1974 Mustang or a 1972 Montego, fall outside the list. Confirm your vehicle’s year, model and trim before ordering.

Installation notes

Start by confirming the car uses OE drum brake spindles, because this system is listed only for that setup. Use Baer’s ST168B template to check wheel clearance before choosing wheels. A qualified technician should handle the installation of front brake hardware.

What’s included

The package covers the Grabber Blue S4TL caliper, the 11.29 inch 1-piece integral hub rotor with bearing races and premium bearings, brackets, braided hoses, dust caps and hardware.

Not included: wheels, which must meet the 15.0 inch minimum wheel diameter.

Specification

Shipping weight 67 lbs
Package dimensions 16.25 × 15.5 × 15.5 in
brands

Sold as

Kit

Wheel bolt pattern (in)

5×4.50

Lug nuts

5 Lug

Rotor type

1-Piece Integral Hub

Country of origin

USA

Fitment

VehicleYearsTrims
Ford Fairlane1970All
Ford Falcon1970All
Ford Maverick1970–1974All
Ford Mustang1970–1973All
Ford Torino1970–1971All
Mercury Comet1971–1974All
Mercury Cougar1970–1973All
Mercury Cyclone1970All
Mercury Montego1970–1971All

Use “Select your vehicle” at the top of the page to check this part against your vehicle.

Questions & Answers

What are the part number and UPC for the Grabber Blue kit?

The part number is 4261647GB and the UPC is 90127974278. The caliper color is Grabber Blue, and the system is sold as a kit for the front axle in drum-spindle applications.

Does this system cover a 1972 Mercury Montego?

No. The Mercury Montego is covered for 1970 to 1971 only, so a 1972 model falls outside the fitment. Confirm your vehicle's year, model and trim before ordering.

What are the pistons made of?

The pistons are hard anodized aluminum, with stainless steel abutments and noise suppression clips. The caliper is powder coated and machined from forged or billet aluminum sourced in the United States.

How do I know whether my car has drum brake spindles?

Look at the front hub behind the wheel. A drum-equipped car has a backing plate and drum assembly, while a disc setup has a caliper bracket on the spindle. The original service manual or a parts specialist can help confirm the spindle type from the vehicle's build details.

Should the wheel bearings be replaced when installing a disc kit?

They are often inspected during a brake conversion, since the hub is opened for rotor installation. Check for roughness, play and grease condition, and repack or replace bearings as needed. Compare them with the premium bearings supplied in the kit before installation.

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