Menu

Shop

Garage

Cart

Account

Product Summary

Micro Sprint, Midget, Sprint Car, 2-Port Port Quantity

  • 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

Key Specs

Proportioning Valve TypeKnob Adjustable
Port Quantity2-Port
Material TypeBrass
FinishNatural
ColorNatural

Need To Know

Free Shipping on Orders Over $149

Shipping Policies & FAQs

Quick and Easy Returns

Return Policy

Speedway Motors 91031357 Details

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.  

Speedway Motors 91031357 Specifications

KEY SPECS
MFG. Part #91031357
BrandSpeedway Motors
Proportioning Valve TypeKnob Adjustable
Port Quantity2-Port
Material TypeBrass
FinishNatural
ColorNatural
GENERAL
Brake System TypeDisc
Proportioning Valve LocationUniversal Mount
Thread Pitch1/8" NPT
Pressure Rating2000 psi
Overall Length2.00"
Overall Width.63"
Overall Height1.68"
NotesCan also be used as a shut-off valve.
Sold in QuantityEach