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Home > Race Parts > Rear End > Ring & Pinion

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

Features:
  • Speedway Ring & Pinion
  • Your choice of ratio 3:50 to 7:33
  • 31 spline premium full spool
  • Viton high heat pinion seal
  • 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.)

    Order applicable spool option:
    ALUM = Aluminum
    STD = Standard
    LITE = Lightweight
    MEGA = Megalite

    ULTRA-LITE RING GEAR OPTION: see 916-00013 LABOR OPTION for lightening of ring gear. 5:37, 6:66, 6:83, 7:00 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, Full Spool
    View Larger

    Item #
    Description
    Units
    Price 
       
    Qty
    91048343-350-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 3:50 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-350-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 3:50 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-350-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 3:50 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-350-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 3:50 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-370-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 3:70 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-370-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 3:70 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-370-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 3:70 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-370-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 3:70 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-389-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 3:89 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-389-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 3:89 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-389-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 3:89 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-389-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 3:89 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-411-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 4:11 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-411-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 4:11 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-411-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 4:11 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-411-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 4:11 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-430-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 4:30 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-430-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 4:30 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-430-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 4:30 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-430-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 4:30 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-457-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 4:57 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-457-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 4:57 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-457-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 4:57 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-457-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 4:57 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-471-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 4:71 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-471-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 4:71 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-471-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 4:71 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-471-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 4:71 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-478-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 4:78 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $694.99  

    91048343-478-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 4:78 Gear Ratio, Lite Full Spool
    BX $664.99  

    91048343-478-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 4:78 Gear Ratio, Mega Full Spool
    BX $694.99  

    91048343-478-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 4:78 Gear Ratio, STD Full Spool
    BX $644.99  

    91048343-486-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 4:86 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-486-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 4:86 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-486-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 4:86 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-486-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 4:86 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-500-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 5:00 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99  

    91048343-500-LITE
    Ford 9" 3rd Member Assembly, 31 Spline, 5:00 Gear Ratio, Lite Full Spool
    BX $589.99  

    91048343-500-MEGA
    Ford 9" 3rd Member Assembly, 31 Spline, 5:00 Gear Ratio, Mega Full Spool
    BX $619.99  

    91048343-500-STD
    Ford 9" 3rd Member Assembly, 31 Spline, 5:00 Gear Ratio, STD Full Spool
    BX $569.99  

    91048343-514-ALUM
    Ford 9" 3rd Member Assembly, 31 Spline, 5:14 Gear Ratio, Alum Full Spool
    DISCONTINUED
    BX $619.99