Wilwood Master Cylinder Kit Tandem Aluminum Polished With 7/8” Bore 1965-1973

88% of 100


  • Direct-Fit Replacement
  • Includes Proportioning Valve
  • Die Cast Aluminum
  • Includes Necessary Hardware
MSRP $453.87
You save 6%

Wilwood Polished Aluminum Tandem Master Cylinder Kit with a 7/8" Bore Size for all 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972 and 1973 Mustangs.

Everything can be improved upon—even a great, classic car like a 1965-1973 Mustang! If you want to upgrade your master cylinder for enhanced braking performance, check out this Wilwood 261-13272-P Polished Aluminum Tandem Master Cylinder Kit with a 7/8" Bore Size for all 1965-1973 Mustangs from CJ Pony Parts.

Master Cylinder Kit Benefits and Features:
- High-pressure, die casting aluminum materials
- Ball-burnished finish
- Black E-coated combo valve and bracket
- Stainless steel button head fasteners, fluid tubes and nuts
- Includes correct pushrod and 7/8” bore
- Fluid outlet ports on both sides of bore
- Total piston stroke is set to 1.1”
- Volume ration of 2:1 between chambers
- Easy installation
- Direct-fit replacement

Wilwood packages everything you would need to upgrade your master cylinder and proportioning valve for your 1965-1973 Mustang in this kit 261-13272-P. The popular Aluminum Tandem Chamber Master Cylinder represents the latest in brake pressure actuation and fluid control refinements. The slotted flange mounting, comprised of a bracket and hardware, makes bolting on easy for many OE mounts, including the popular Ford Mustang bolt pattern. The stainless steel button head fasteners that attach to the bracket makes for years of durable, rust-free performance. The combo valve and bracket are black, E-coated for a high performance look and long-lasting durability.

Kit Includes: 
- Polished aluminum tandem chamber master cylinder
- Combination proportioning valve
- Mounting bracket
- Fluid tubes
- Mounting hardware

Please Note: This Master Cylinder Kit is fully compatible with Mustangs equipped with manual brakes. However, the 7/8" bore size will be too small to be used on power brake systems.

Assembly and installation of this direct-fit replacement master cylinder upgrade kit is easy. The combination proportioning valve simplifies wiring and brake proportioning adjustments for vehicles with custom brake systems. The combination block is fully isolated from the front and rear fluid circuits and is designed to accompany the tandem chamber master cylinder. The stainless steel tubes are precision bent with preinstalled stainless tube nuts for simple, bolt-on installation between the combination proportioning valve and the tandem master cylinder. Simply connect the fluid lines, bleed the system and you’re ready to go!

Order a Wilwood Polished Aluminum Tandem Master Cylinder Kit with a 7/8" Bore Size (261-13272-P) for your 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972 or 1973 Mustang from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Videos

Video Transcript

We’re here with a Wilwood polished dual bowl tandem master cylinder fitting a 1965 through 1973 Mustang. This polished aluminum Wilwood tandem master cylinder can be used as an upgrade over the factory single bowl master cylinder on your '65 through '66 Mustang or also an upgrade over the factory master cylinder which is a dual bowl on your '67 through '73. It includes the aluminum master cylinder assembly itself with a 7/8 inch bore, adjustable push rod, and a proportioning valve with bracket and a built in brake line switch. All necessary fittings, lines, and hardware for installation are all included. This Wilwood master cylinder will work with various brake configurations. It will work with either a manual or power bake setup.

Vehicle Fitment

This product will fit the following Mustang years:

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