A121-2 Front  Kit 67 Must. pwr. ma
Kelsey Hayes Disc Brake Caliper Conversion from SSBC-USA

A121-2 Front Kit 67 Must. pwr. ma

Regular price $1,397.00
Shipping calculated at checkout.



This made in the USA kit contains all the parts you need to convert your ’67-69 Mustang or Cougar with manual transmission from drum to power disc brakes.  Kelsey Hayes style Shelby / GT calipers, brackets, and splash shields are made from the original FORD prints and 100% made in the USA.  Manufactured from quality materials, this SSBC-USA kit is designed to ensure high-performance and dependability. Please consult the wheel fitment diagram to confirm clearances and contact our customer service/technical support at 1-716-775-6700 for assistance. 


  • Bolts to V8 or 6-cylinder drum brake spindles.
  • Kelsey Hayes original GT style 4-piston cast iron calipers
  • Stainless steel pistons, transfer tubes, bleeders and pad retaining clips
  • Contains square cut pressure seal, and factory style dust boot
  • Calipers come with a black E-coat finish
  • New dual bowl cast iron master cylinder
  • 7" Single Diaphragm Booster and new power brake pedal
  • Two 11.25” diameter heavy duty vented rotors
  • Semi-metallic brake pads- D11
  • Adjustable proportioning valve
  • Includes Mounting Hardware, seals, DOT Flex Hoses, splash shields, and backing plates
  • Simple instructions for bolt-on installation
  • Optional rotor upgrades (turbo slotted, cross-drilled, plated) available
  • Note: for manual transmission cars only
  • Note: 6 cylinder spindles came from factory with 4 lug drums. This kit will convert to a 5 x 4.5" bolt pattern.

Product Description

The A121-1 Front Disc Brake Conversion Kit by Stainless Steel Brakes includes everything you need to upgrade your drum brakes to the reliability and performance of a modern disc brake system.

This kit will work on Mustang, Cougar, Falcon, Fairlane, or Torino with V8 engine and manual transmission.  It can be used with most 15” wheels as well as with the factory-styled 14” x 7” steel wheels, and will install directly on a V8 spindle with no other modifications needed! Please consult the wheel fitment diagram to confirm clearances. For additional information, please contact SSBC-USA customer service.

Kelsey Hayes style Shelby / GT calipers, brackets, and splash shields are made from the original FORD prints and 100% MADE IN USA. 

The kit includes premium-quality E-coat calipers for ultimate corrosion resistance and stainless steel pistons.  It includes a dual reservoir master cylinder and a single diaphragm booster.  Also included is an adjustable proportioning valve which is the best way to adjust front and rear brake bias for maximum stopping power.  You'll get dependable performance with a factory look.

SSBC-USA designs and manufactures high-quality brake components and systems for a wide range of vehicles.  Kits come complete and are designed for simple bolt-on installation.  The Mustang aftermarket products provide improved stopping power while maintaining the original look and