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Summit Racing® Adjustable Brake Proportioning Valves SUM-G3905

Brake Proportioning Valve, Knob Adjustment, 1/8 in. NPT, Single Inlet/Outlet, Aluminum, Natural, Each

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Brand: Summit Racing
Manufacturer's Part Number: SUM-G3905
Summit Racing Part Number: SUM-G3905

Adjustment Style: Knob
Inlet Quantity: One
Inlet Attachment: Female threads
Inlet Size: 1/8 in. NPT
Outlet Quantity: One
Outlet Attachment: Female threads
Outlet Size: 1/8 in. NPT
Minimum psi: 100 psi
Maximum psi: 3,000 psi
Pressure Reduction (%): 57 percent
Proportioning Valve Finish: Natural
Proportioning Valve Material: Aluminum
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Made from anodized billet aluminum, our Summit® adjustable brake proportioning valves can be mounted vertically or horizontally. A turn of the knob adjusts the brake proportioning on your vehicle to help tailor your brakes to your exact requirements.

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Most Helpful Reviews Review this Product

8 Customer Reviews for Summit Racing SUM-G3905 - Summit Racing® Adjustable Brake Proportioning Valves

Average Customer Review

5 Star

(3)

4 Star

(2)

3 Star

(0)

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1 Star

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Proportionately awesome

Summit RacingSummit Racing Verified Purchase

Replaced my single pot brakes in my 66 Coronet with a dual pot and put this in line with the back ones. Have not cone much tinkering with the settings but I can tell it is doing it's job. Good price and easy to install (except for having to bleed the brakes... what is is about bleeding the brakes? Its probably my least favorite thing to do on my car). ...read more

1 of 1 found this review helpful.

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Reviewer: ZACH from MI

Date: March 17, 2014

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SUM-G3905

Summit RacingSummit Racing Verified Purchase

I used this unit to replace a factory GM proportioning valve. It worked best at the lowest setting so a little more adjustment on the low end could be useful.

1 of 1 found this review helpful.

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Reviewer: NIGEL from Australia

Date: March 15, 2014

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absolutely necessary

Summit RacingSummit Racing Verified Purchase

Same design as the first ones from back in the 80's. The same quality, comes with adapters for 3/16 lines. I have used a dozen of these with absolutely no returns. They are easy to adjust and mount friendly.

1 of 1 found this review helpful.

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Reviewer: LEONARD from GA

Date: March 05, 2014

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Just like the big names

Summit RacingSummit Racing Verified Purchase

This is a great valve! It has all the features of the name brand models that cost at least twice as much!

1 of 1 found this review helpful.

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Reviewer: WILLIAM from IN

Date: March 03, 2014

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did not work

Summit RacingSummit Racing Verified Purchase

installed on rear brakes to achieve a more balanced effect. After installation and bleeding tried to dial it in when noticed no change by feel. Decided to use my fluid gauges and to my surprise no matter if was turned down or all the way open pressure was the same. Going to have to build something else. Master Mechanic Joe Holihan

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Reviewer: JOSEPH from CA

Date: June 20, 2014

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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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