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Street Race Truck More... The Toolbox
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$64.99
GM Disc/Drum Proportioning Valve for 3/8-24 Outlets
GM Disc/Drum Proportioning Valve for 3/8-24 Outlets

GM Disc/Drum Proportioning Valve for 3/8-24 Outlets

Universal Fit, Disc/Drum Brake System Type, Fixed Proportioning Valve Type, Brass, Natural

12 Reviews | 9 Answered Questions
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GM Disc/Drum Proportioning Valve for 3/8-24 Outlets
GM Disc/Drum Proportioning Valve for 3/8-24 Outlets
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Part # 91031364
$64.99
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Brake System Type:
Disc/Drum
Proportioning Valve Type:
Fixed
Proportioning Valve Location:
Left Mount
Port Quantity:
3-Port
Thread Pitch:
3/8"-24 IFF | 9/16"-18 IFF
Material Type:
Brass
Finish:
Natural
Color:
Natural
Pressure Safety Switch Included:
Yes
Overall Length:
5.13"
Overall Width:
1.08"
Overall Height:
2.00"
Centerline of Holes:
2.69"
MFG. Part #:
91031364
Sold in Quantity:
Kit

Info

These proportioning valves are similar to what GM used on many cars in the 70s. They are non-adjustable and may require an adjustable valve in the rear brakes (if needed). Block incorporates metering (for front brakes) and proportioning (for rear brakes) into one unit. For use with front disc, rear drum brake systems.

Includes hard lines to connect to a master cylinder with 3/8"-24 outlets.

910-31364 Instructions (PDF)

Item Details

For M/C with 3/8"-24 outlets.

Notes

Bottom Front Port: 3/8"-24 IFF threads - goes to one front brake
Top Front Port: 3/8"-24 IFF threads - goes to one front brake
Middle Top Port: 1/2"-20 IFF threads - comes from master cylinder
Rear Top Port: 7/16"-24 IFF threads - comes from the master cylinder
Rear Most Port: 9/16"-18 IFF threads - goes to rear brakes

Outlet Fitting

Bottom front/Top front are 3/8"-24 IFF (to font brakes), Rearmost port is 9/16"-18 IFF (to rear brakes).

Notes

Includes hard lines with fittings, hardware, bracket, and brake light switch. This is a combo valve (metering for front/proportioning for rear) into one valve. Residual valves NOT built in.
Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • After getting the control arms and drop spindles installed last time, we are dying to see what it looks like on the ground. Today we are working with the Speedway Deluxe Disc Brake Kit. Josh and Joe are on a roll!
  • Tim demonstrates the brake assembly with a Wide 5 drum brake and Speedway's new self-energizing backing plate.
  • Tim explains the process of adjusting Buick Finned Drums to fit Speedway's self-energizing backing plate assembly.
  • Building a brake system is not difficult if you understand what each component does. Click here for everything you need to know about brake hydraulic valves.
  • Project Chevelle upgrades the 4 drum brakes single master cylinder that was an unfortunate set of boxes checked on this Chevelle‚Äôs order sheet.

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