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Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve

Speedway Compact Adjustable Brake Proportioning Valve

Micro Sprint, Midget, Sprint Car, Disc Brake System Type, 2-Port Port Quantity, Brass, Natural

40 Reviews | 14 Answered Questions
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Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
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Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
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Part # 91031357
$38.99
$39.99
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  • Very compact, can be hidden in cars that do not allow adjustable proportioning valves
  • Installs in rear brake line and allows you to adjust front-to-rear brake bias to prevent rear brake lock-up under heavy braking
  • Can be used as full shut-off valve
  • Rated to 2000 psi, flows 3 gpm
  • Inlet & outlet 1/8" NPT port

Details

Brake System Type:
Disc
Proportioning Valve Type:
Knob Adjustable
Proportioning Valve Location:
Universal Mount
Port Quantity:
2-Port
Thread Pitch:
1/8" NPT
Material Type:
Brass
Finish:
Natural
Color:
Natural
Pressure Rating:
2000 psi
Overall Length:
2.00"
Overall Width:
.63"
Overall Height:
1.68"
Notes:
Can also be used as a shut-off valve.
MFG. Part #:
91031357
Sold in Quantity:
Each

Info

Very compact, can be hidden in cars that do not allow adjustable proportioning valves. Color reference scale on valve stem allows fast, accurate setting. Installs in rear brake line and allows you to adjust front-to-rear brake bias to prevent rear brake lock-up under heavy braking. 

  • Can be used as fuel shut-off valve
  • Rated to 2000 psi
  • Flows 3 gpm
  • Inlet:  1/8" NPT port
  • Outlet:  1/8" NPT port

Learn more about how adjustable proportioning valves work by reading our tech article. Brake System Selection.  

Notes

  1. Brake System Builder's Tip (Link)
  2. Valve is marked "MC" for the master cylinder end (fluid in) and "BR" for the brake end (fluid out).

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

Reviews

Q & A

Videos & Articles
  • Project Chevelle upgrades the 4 drum brakes single master cylinder that was an unfortunate set of boxes checked on this Chevelle’s order sheet.
  • Looking for a performance or custom brake set-up? Whether you're replacing components or building your brakes from scratch, you may wonder what size master cylinder or booster to use. No need to worry, just follow our handy guide.

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