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Home > Race Parts > Rear End

FORD 9" 3RD MEMBER ASSEMBLIES, 31 SPLINE, MINI SPOOL

Features:
  • Speedway Ring & Pinion
  • Your choice of ratio 3:50 to 7:33
  • 31 spline premium mini spool
  • New "chrome moly" cross pin
  • Viton high heat pinion seal
  • Solid pinion bearing spacer with shims
  • Professionally assembled for racing
  • For oval track use only
  • Comes with stock yoke
  • Yoke option for 3-1/4" u-joint with 1-1/16" caps.

    (Made to order. Allow 24 hours for order to ship.)

    ULTRA-LITE RING GEAR OPTION: see 916-00013 LABOR OPTION for lightening of ring gear. 4.78, 5.25, 5.37,  5.50, 5.57, 6.14, 6.66, 6.83, 7.00 , 7.16, 7.33 are already lightened.

    Note:  Circle track racing applications require a minimum of 4 qts. of rear end lube.  Using less than this amount will lead to immediate pinion failure.

     

    Ford 9" 3rd Member Assemblies, 31 Spline, Mini Spool
    View Larger

    Item #
    Description
    Units
    Price 
       
    Qty
    91048341-350
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 3.50 Gear Ratio
    BX $459.99  

    91048341-370
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 3.70 Gear Ratio
    BX $459.99  

    91048341-389
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 3.89 Gear Ratio
    BX $459.99  

    91048341-411
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 4.11 Gear Ratio
    BX $459.99  

    91048341-430
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 4.30 Gear Ratio
    BX $459.99  

    91048341-457
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 4.57 Gear Ratio
    BX $459.99  

    91048341-471
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 4.71 Gear Ratio
    BX $459.99  

    91048341-478
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 4.78 Gear Ratio
    BX $534.99  

    91048341-486
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 4.86 Gear Ratio
    BX $459.99  

    91048341-500
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.00 Gear Ratio
    BX $459.99  

    91048341-514
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.14 Gear Ratio
    BX $459.99  

    91048341-525
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.25 Gear Ratio
    BX $534.99  

    91048341-529
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.29 Gear Ratio
    BX $459.99  

    91048341-537
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.37 Gear Ratio
    BX $534.99  

    91048341-543
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.43 Gear Ratio
    BX $459.99  

    91048341-550
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.50 Gear Ratio
    BX $534.99  

    91048341-557
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.57 Gear Ratio
    BX $534.99  

    91048341-567
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.67 Gear Ratio
    BX $459.99  

    91048341-583
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 5.83 Gear Ratio
    BX $459.99  

    91048341-600
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 6.00 Gear Ratio
    BX $459.99  

    91048341-614
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 6.14 Gear Ratio
    BX $534.99  

    91048341-620
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 6.20 Gear Ratio
    BX $459.99  

    91048341-633
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 6.33 Gear Ratio
    BX $459.99  

    91048341-650
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 6.50 Gear Ratio
    BX $459.99  

    91048341-666
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 6.66 Gear Ratio
    BX $534.99  

    91048341-683
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 6.83 Gear Ratio
    BX $534.99  

    91048341-700
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 7.00 Gear Ratio
    BX $534.99  

    91048341-716
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 7.16 Gear Ratio
    BX $534.99  

    91048341-733
    Ford 9" 3rd Member Assembly, 31 Spline, Mini Spool, 7.33 Gear Ratio
    BX $534.99  

    Suggestions
    91048339
    OPTION - 9" Yoke with 3.25" Cross
    You must order a third-member before selecting this option
      EA $49.99  

    91600013
    OPTION - Labor to Lighten 9" Ring & Pinion
      EA $75.00  

     

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

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