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Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI

Speedway Disc Brake Residual and Proportioning Valves, 2 PSI

Universal Fit, Disc Brake System Type, Knob Adjustable Proportioning Valve Type, Aluminum

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Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
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Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
Speedway Disc Brake Residual and Proportioning Valves, 2 PSI
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Part # 9109803
$65.99
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Details

Brake System Type:
Disc
Proportioning Valve Type:
Knob Adjustable
Proportioning Valve Location:
Universal Mount
Port Quantity:
2-Port
Thread Pitch:
1/8" NPT
Inlet Fitting:
1/8" NPT Female
Outlet Fitting:
1/8" NPT Female
Material Type:
Aluminum
Finish:
Anodized
Color:
Purple
Minimum PSI:
100 psi
Maximum PSI:
1500 psi
Pressure Rating:
2 psi
Pressure Safety Switch Included:
No
Centerline of Holes:
1.00"
Notes:
Includes (2) 1/8" NPT to 3/8"-24 IFF adapters
MFG. Part #:
9109803
Sold in Quantity:
Kit

Info

Ever had problems with a spongy pedal or slow, unresponsive brakes? If so, you may need a residual pressure valve installed in your brake line. A residual valve acts like a one-way or check valve to maintain brake system pressure to eliminate the problems of a spongy pedal. This 2 PSI residual valve is installed inline between the master cylinder and disc brake calipers to keep 2 PSI of residual pressure at the caliper after the brake pedal is released. This ensures that you will have a high, firm pedal next time you press the brake pedal.

If your master cylinder is located below the floorboard, installing a 2 PSI residual valve is highly recommended. If your master cylinder is mounted on the firewall, a residual valve is generally not needed because gravity will provide a natural residual pressure within the brake line.

Our residual pressure valve features a distinctive purple anodized finish with 1/8" NPT port at each end. Use 2 PSI residual valves for disc brake applications only. 

Our included Adjusable Brake Proportioning Valve allows easy adjustment of front-to-rear brake bias. Universal design works on all race cars. Has a 100 to 1500 psi range with up to 57 percent pressure reduction.

Inverted flare or AN threaded adapter fittings to the 1/8" NPT female thread will be required and are noted below and available as required.

Kit includes

  • (2) Disc Brake Residual Valves, 2 PSI
  • (1) Adjustable Brake Proportioning Valve

Charts

Proportioning Valve Instructions (PDF)

Brake System Builder's Tip (JPG)

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Speedway Purple Adjustable Brake Proportioning Valve
    Qty x 1
  • Speedway Disc Brake Residual Valve, 2 PSI, Purple
    Qty x 2

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