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Wilwood Universal Master Cylinder Rebuild Kits

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Bore Size:
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Notes
Includes snap ring, internal spring, piston, primary seal, and secondary seal.
Wilwood Universal Master Cylinder Rebuild Kits
Wilwood Universal Master Cylinder Rebuild Kits

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Wilwood Universal Master Cylinder Rebuild Kits

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What's in the Box

These rebuild kits fit Wilwood and Tilton universal master cylinders. Available bore sizes include: 5/8", 3/4", 7/8", 1", and 1-1/8".

Tech Tip: The bigger the master cylinder, the more fluid you get... but you'll have less pressure at the caliper.

You may also be interested in:

Wilwood 290-0632 570 Brake Fluid, 12 oz Bottle
                        

Wilwood's specially formulated Hi-Temp 570° Racing Brake Fluid has a minimum 570 degree dry boiling point to withstand the severe heat requirements of automotive racing. Hi-Temp 570's low viscosity allows easy bleeding of your brake system, eliminating aeration of the brake fluid caused by foaming due to excessive pumping of the pedal. 

This high temp brake fluid comes in a convenient 12 ounce container hermetically sealed to guarantee against unwanted absorption of moisture which can drastically lower the fluids boiling point (fluid from larger containers tends to become contaminated with moisture, lowering its boiling point and making it unsuitable for racing applications). 

  • Dry Boiling Point:  573° F
  • Wet Boiling Point:  313° F

8352900632 Instructions (PDF)

Ultra Lite Brakes 900-1012 Hot Fluid Brake Fluid, 12 Oz.
                        

Ultra Lite Brakes Hot Fluid is an extreme service racing brake fluid. This high temp brake fluid has a 600 degree plus dry boiling point which makes it ideal for severe braking conditions. Hot Fluid is a non-silicone base fluid that will not turn black like most competitive brake fluids. The fluid also has special additives that aid in lubricating and gauling. Guaranteed "O" ring friendly.

Motive Products 0100 Pressure Brake Bleeder, Wilwood Master Cylinder
                        

This brake pressure bleeder makes bleeding brakes a one man job. Fits Wilwood screw type master cylinder caps, many OEM manufacturer's master cylinders, and all other cars with 45mm threaded hydraulic fluid reservoir caps. Works with many Wilwood universal master cylinders, including 260-3372, 260-3374, 260-3376, 260-3378, 260-3380, and 260-5920. Will NOT work with Tilton master cylinders.

Here's how it works: A tank containing new hydraulic fluid is connected to the fluid reservoir on your vehicle and pressurized with air from a hand pump (pressure gauge ensures that the hydraulic system is not damaged due to excessive pressure). When one of the bleed valves on the vehicle is opened, old hydraulic fluid is expelled as new fluid from the tank is forced into the system.
  • Bleeding has never been easier!
  • No need for a helper to constantly pump the pedal while you open and close the bleed valves
  • Two liter tank prevents the need for constant refilling of the fluid reservoir, thereby avoiding corrosive spills
  • Fast, easy and reliable one-person operation
  • Works on hydraulic clutch systems, too
Read more about bleeding brakes in our tech article, How To Bleed Your Brake Lines.
Wilwood Combination Remote Fill Master Cylinder Kit
                        

Six different bore sizes and four different installation configurations are available in this master cylinder kit. Precision machined from high strength aluminum, this kit includes both small and large size reservoirs which can be mounted for more convenient service access. Standard mounting bolt hole configurations provide easy applications for racing and off road vehicles, specialty cars, recreation and industrial vehicles.

Bore sizes available include: 5/8", 3/4", 7/8", 13/16", 1", 1-1/8".

  • Includes small and large reservoirs which can be direct or remote mounted
  • Aluminum cylinder with plastic reservoir tank
  • Mounting flange is a vertical pattern on a 2-1/4" on center
  • Master cylinder has a single 3/8-24 brake line outlet
  • The two side mount holes are 3" from center to center

70174 Instructions (PDF)

Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

Wilwood 290-6209 EXP 600 Plus Racing Brake Fluid, 500 ML Bottle
                        

EXP 600 Plus is a highly refined blend developed for extreme performance under the high heat and extreme pressure of professional motorsports. EXP 600 Plus has been tested to 626° F with a wet boiling point of 417° F. These numbers far exceed any DOT or SAE specifications. 

It is true that racing brake fluids need to have high boiling points. It is also true that fluids need to have low moisture affinity to slow the natural absorption rate of water vapor. But the true test of any high temp brake fluid is how well it resists aeration and compressibility after it has been heated and pressure cycled a few hundred times. The real test is at the track. EXP has been proven to maintain firm pedal feel and quick response, long after others have failed. 

Note: For optimum performance, EXP 600 Plus should not be diluted with any other brake fluids. Add new fluid to a clean system. 

8352906209 Instructions (PDF)

AFCO 6691903 Ultra HTX 600+ Brake Fluid, 16.9 oz.
                        

If you are using a parts store brake fluid, you are not getting the most from your brake system. AFCO Ultra HTX racing brake fluid is specifically formulated for racing under the most demanding conditions. Ultra HTX's high wet and dry boiling points give you maximum protection against vapor lock and other problems associated with high brake system temperatures. With a 600+ degree boiling point, Ultra HTX high temp brake fluid sets a new standard for brake fluid performance.

  • Specifically formulated for racing
  • High wet and dry boiling points
  • 600+ degree dry boiling point
  • Exceeds D.O.T. 3, 4 and 5.1 requirements
  • Virtually elminates vapor lock
  • Non-silicone
Phoenix 2104-B V5 Reverse Brake Bleeder System
                        This is the perfect reverse brake and clutch bleeder for the auto  enthusiast who wants to bleed his brake or clutch system on his own.     These patented reverse brake bleeders are great for removing trapped air in your brake system to help create a firm pedal, reduce stopping time, and increase overall braking power. 
  • Patented Reverse Fluid Injection
  • Removes trapped air in brake system which is the main cause of a “spongy pedal”
  • Includes main fittings and adapters to perform basic brake and clutch bleeding
  • One man brake bleeder in 15 minute operation
  • Multiple uses for the home and shop
  • Creates firmer pedal
  • Reduces stopping time
  • Increases braking power