Unrivaled Customer Service
And Expert Tech Advice!  
Same Day Shipping Before 11 PM ET
My Cart
Shop By Vehicle
Shop By
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories

Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates

JEGS Performance Products 631290

Proportioning Valve Disc/Drum GM

JEGS Performance Products 631290


jegs shipping
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
JEGS Performance Products 631290 Proportioning Valve Disc/Drum GM $44.99
Proportioning Valve
  • GM
  • Disc/Drum Applications
  • (2) 3/8"-24 Ports for Front Brakes
  • (1) 9/16"-18 Port for Rear Brakes
  • One Piece Brass Body

  • JEGS Performance Products 631290 Details

    Disc/Drum Applications

    Designed to be used in stock configuration on vehicles with disc/drum brakes. Recommended when large-port GM master cylinder is on the firewall.


    Sold individually
    Inlet Attachment
    Female Threads
    Outlet Attachment
    Female Threads
    Adjustment Style
    Inlet Quantity
    Outlet Quantity
    Proportioning Valve Finish
    Proportioning Valve Material
    Inlet Size (in.)
    Inlet Size (in.)
    Outlet Size (in.)
    Outlet Size (in.)
    Pressure Reduction (%)
    Maximum psi
    Minimum psi
    Shipping Weight:
    Package Height:
    Package Width:
    Package Depth:
    Manufacturer's Part Number:

    JEGS offers a variety of Brake Proportioning Valves to step up your braking power. These prop valves are designed with a one-piece chrome or brass body made for disc/drum or disc/disc applications. Kits come with steel lines, a warning light connector, and plug to completely renovate your brake system.

    631290 - JEGS Proportioning Valves is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Good quality proportioning valve. I bought this proportioning valve to replace the one on my '72 Chevelle. It fit perfectly without issue and has been working perfectly.
    Date published: 2017-04-25
    • y_2018, m_5, d_25, h_5
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_3725451, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Does this fit a 1979 chevy silverado all time 4x4 pickup truck

    Asked by: DDOOGG
    Yes, this will work if the rear has drum brakes.
    Answered by: Rusty B
    Date published: 2018-05-23

    Will this fit on my 78 f250 Ranger.

    Asked by: Allenm12e
    No, this valve is made for GM applications.
    Answered by: Rusty B
    Date published: 2018-04-30

    Are there any recommendations (or specifications) for the size of Brake lines that need to be used for the fronts and rears coming out of this valve?

    Asked by: BaileyTheBinder
    these are the brake line sizes for this valve ; (2) 3/8"-24 Ports for Front Brakes (1) 9/16"-18 Port for Rear Brakes
    Answered by: Rusty B
    Date published: 2018-03-28

    i have a 1978 firebird will this valve work on my car

    Asked by: 2qwik4u
    Yes, if you are keeping the stock disc on the front, drum on the rear setup.
    Answered by: Rusty B
    Date published: 2018-03-21

    Have a 95 k1500 Z71 removing abs has front disc rear shoes, will this one work

    Asked by: Robert1000
    This should work, you will need to check everything if removing the ABS.
    Answered by: Rusty B
    Date published: 2018-01-24

    This is for swapping disc brakes into the rear correct? '98 Sierra sle 2wd

    Asked by: Deezruts
    This valve is made for disc/drum applications only.
    Answered by: Jon Jegs Tech
    Date published: 2018-01-15

    have a 65 chevelle with discs on front will this fit

    Asked by: manitowac
    This would be compatible with the '65 Chevelle.
    Answered by: Jon Jegs Tech
    Date published: 2017-12-06

    Just wanted to make sure before I order. Stock disc/drum direct replacement for 1985 chevy k10 pickup, it looks correct.

    Asked by: Michael51
    This is correct for your application.
    Answered by: Jon Jegs Tech
    Date published: 2017-12-05
    • y_2018, m_5, d_25, h_5CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_10
    • loc_en_US, sid_10001_10001_3725451, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Items You Need
    Items You May Also Consider
    Some parts are not legal for use in California or other states with similar laws / regulations