12″ Rear Disc Brake Kit – 4 Piston – 10/12 Bolt Rear

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  • 12″ Rear Disc Brake Kit – 4 Piston – 10/12 Bolt Rear
  • This system features the S4 4-piston caliper mounted to a 12″ 1 piece slot, drill, zinc plated rotor.
  • Baer systems include a unique billet backing plate that not only acts as a caliper mount, but also houses the bankisa (1-piece) park shoe.
  • This is a more modern (better working) park brake assembly then the more commonly used drum in hat park brake systems.
  • Systems feature stainless steel brake hoses as well as calipers that have D.O.T compliant dust and weather seals.
  • Please check rear flange dimensions on drawing before ordering
  • Please select Caliper Color & Rotor Finish when ordering
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Description
  • 12″ Rear Disc Brake Kit – 4 Piston – 10/12 Bolt Rear
Rotor Size/Type:
12″x 1.020 1 piece rotor
Piston Count:
S4 – 4 piston caliper – Lug mount
Pad Type:
Common 4 piston pad shared on the aftermarket (#DR1 or Hawks #HB100)
Minimum Wheel Size:
Some 15″ or larger (Use template to verify fitment, link below)
Includes:
Stainless braided brake hoses, Park brake assembly, park brake cables.  Includes Baer’s Verislide brakes to allow the rear caliper brackets to “float” to allow movement of the factory C-Clip axles.

Notes:

Designed to be used with Stock GM 10/12 bolt with C-clip axles.
Additional Notes:
  • 15/16″ can be used Power or Manual.  Customers that prefer softer pedal feel with less pedal effort use 15/16″ for Power Brakes
  • 1″ with Power is based on good engine vacuum numbers, and that the booster is working corretly
  • Drag race applications with dual rear calipers should use a 1 1/8″ Bore Remaster
  • Port Configuration is based off Drivers seat position.  LP – Left port (Fender side), RP- Right Port (Motor Side)
  • Most all applications will use LP exit.  Fox Mustangs (1979-1993) will use RP due to shock tower clearance
  • Features a 1pc 12″ directionally vaned rotor
  • Perfect match for our Track4 front brake system
  • Fully machined billet backing plate that also holds the banksia park brake assembly
  • Features a “Banksia” park brake. A modern design of a common drum in hat.  Uses the same shoe as the late model Corvette (C5/C6)
  • Complete with all hoses, fittings and hardware
  • Proper banjo fittings (NOTE: Baer does not use any pipe thread fittings)
  • 12″ rotors will fit some 15″ and most 16″ wheels (verify with a template)
  • Standard colors are Red, Black or Silver

The S4 Caliper Features:

  • (4) 10mm cross bolts for maximum stiffness
  • Stainless steel abutments and noise suppression springs
  • Hard anodized aluminum pistons
  • Internal crossover design
  • Dual seals (dust/weather and pressure) to meet D.O.T specifications
  • Machined logo that is hand painted
  • Uses a common 4 piston pad for easy replacements
  • Red, Black or Silver Powder Coat Finish (custom colors available)
  • Available in Front or Rear for that same cosmetic matching look
  • Rear systems incorporate a drum in hat park brake
  • Rear systems for c-clip style axles include Baer’s Verislide self centering brackets
  • Uses correct banjo style fittings, Baer does not use any pipe thread
  • 100% MADE IN USA with US sourced material
  • In stock but may be subject to back order due to material supply issues

Wheel Fitment Guide (copy & paste) – brake_system_fitament.pdf

Additional information
Weight 50 lbs
Manufacturer

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