Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Shop Driveline and Axles At Speedway Motors

Hook up that horsepower with driveline parts from Speedway Motors. Whether you're racing at your local dirt track, at the drag strip or just have a monster under the hood of your hot rod, we have the parts and technical know-how to help you put the power to the ground.

"Differential, Differential Ring and Pinions" Page 1 of 2

  • Garage Sale - 1955-64 GM 8.2 Inch Axle Ring and Pinion Set, 5.13:1 Ratio
    Garage Sale
    Garage Sale - 1955-64 GM 8.2 Inch Axle Ring and Pinion Set, 5.13:1 Ratio
    x
                

    This item is garage sale priced because it has been discontinued.  The brown color on the ring and pinion appear to be a paint applied at the factory to check the gear pattern and not surface rust.

     

    **NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS** 

     

    Fits 1955-64 GM 8.2" rear axle.  5.13:1 ratio.

  • GM 10 Bolt Ring and Pinion Instal Kit, 8.5 R&P, 30 Spline
    GM 10 Bolt Ring and Pinion Instal Kit, 8.5 R&P, 30 Spline
    x
                Everything you need for a complete ring and pinion installation job. 

    Kit Includes:

    • cover gasket
    • crush sleeve
    • marking compound and brush
    • pinion and carrier bearings
    • pinion nut and washer
    • pinion seal
    • thread locking compound
    • sealer

    Note: Pinion-depth shims are not included. 

  • DMI RRC-1306 4.12 Ring and Pinion Loaded, for Bulldog XR-1 Rearend
    DMI RRC-1306 4.12 Ring and Pinion Loaded, for Bulldog XR-1 Rearend
    x
                Manufactured with the highest quality steel, these rearend parts have  proven reliability. These ring pinion assemblies are replacement for DMI XR-1  Bulldog rearends.
    • Sold individually
    • 4.12 gear ratio
    • DMI replacement component for XR-1 Bulldog rearend
  • Halibrand Ring and Pinion Gears, Loaded w/ Bearings, 3.78 Gear Ratio
    Halibrand Ring and Pinion Gears, Loaded w/ Bearings, 3.78 Gear Ratio
    x
                

    Highest quality replacement gear set made. Fits all 6-spline Halibrand V8 quick changes.

  • Garage Sale - Ford 8.8 Inch Ring and Pinion Gears, 355 Ratio
    Garage Sale
    Garage Sale - Ford 8.8 Inch Ring and Pinion Gears, 355 Ratio
    x
                

    "Pro" brand gears offer excellent quality at a great price!  We offer a terrific selection of ratios for your 8.8" Ford rear axle.

     

    This gear set is garage sale priced because it appears to have been installed and returned, and we don't usually offer an 8.8" ring and pinion.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Ford 9 Inch Third Member Assembly, Mini Spool, 31-Spline
    Ford 9 Inch Third Member Assembly, Mini Spool, 31-Spline
    x
                
    • Profesionally assembled for oval track racing only 
    • Pro Gears ring & pinion
    • Your choice of gear ratio, 3.50:1 to 7.33:1
    • 31-spline premium mini spool
    • New chromoly cross pin
    • Viton high heat pinion seal
    • Solid pinion bearing spacer with shims
    • Includes 3-5/8"stock Ford yoke.

    910-48341 Instructions (PDF)

    Third members are made to order. Please allow 24-48 hours for order to ship.

    Available options include a yoke to accept 3 1/4" Chevy/GM U-joint (add 91048339) or lightening of the ring gear to remove weight (add 91600013; ratios 4.78, 5.25, 5.37, 5.50, 5.57, 6.14, 6.66, 6.83, 7.00, 7.16, and 7.33 are already lightened). The letter "l" behind a ratio also indicates the availability of a lightened ratio.

  • 9 Inch Ford Ring & Pinion, 4.56 Gear Ratio
    $159.99
    $169.99
    Product Rating: 4.00 Stars
    9 Inch Ford Ring & Pinion, 4.56 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 9 Inch Ford Ring & Pinion, 6.33 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 6.33 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • Ford 8 Inch Ring and Pinion Gears
    Ford 8 Inch Ring and Pinion Gears
    x
                "Pro" brand gears offer excellent quality at a great price!  We offer a terrific selection of ratios for your 8" Ford rear axle.
            
  • 9 Inch Ford Ring & Pinion, 5.14 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 5.14 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • Garage Sale - Loaded Halibrand V8 Ring And Pinion, 3.54:1
    Garage Sale
    Garage Sale - Loaded Halibrand V8 Ring And Pinion, 3.54:1
    x
                

    Highest quality replacement gear set made. Fits all 6-spline Halibrand V8 quick changes. Available loaded with bearings.

     

    This ring and pinion is garage sale priced because the bearings have been packed and it has been test fit. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS


     

  • 9 Inch Ford Ring & Pinion, 4.86 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 4.86 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 9 Inch Ford Ring & Pinion, 3.50 Gear Ratio
    9 Inch Ford Ring & Pinion, 3.50 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 1935-48 Ford/Mercury High Torque Ring and Pinion Gear Set, 6.17 Gear
    1935-48 Ford/Mercury High Torque Ring and Pinion Gear Set, 6.17 Gear
    x
                These fit 1935-1948 passenger cars or 1935-1941 Ford 1/2 ton pick-ups (no 3/4 ton or larger). All gear sets are direct replacements for stock, non-quickchange rear axles. 6-spline input. 

    Installation Instructions  (PDF)

  • Garage Sale - 1935-1948 Ford/Mercury High Speed Ring and Pinion Gear Set, 5.86 Gear Ratio
    Garage Sale
    Garage Sale - 1935-1948 Ford/Mercury High Speed Ring and Pinion Gear Set, 5.86 Gear Ratio
    x
                

    This item is garage sale priced because it's old stock.  5.86 ratio

     

    **NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS**

     

    These fit 1935-1948 passenger cars or 1935-1941 Ford 1/2 ton pick-ups (no 3/4 ton or larger). All gear sets are direct replacements for stock, non-quickchange rear axles. 6-spline input.

    Installation Instructions  (PDF) 

  • 1935-48 Ford/Mercury High Torque Ring and Pinion Gear Set, 5.86 Gear
    1935-48 Ford/Mercury High Torque Ring and Pinion Gear Set, 5.86 Gear
    x
                These fit 1935-1948 passenger cars or 1935-1941 Ford 1/2 ton pickups (not 3/4 ton or larger). All gear sets are direct replacements for stock, non-quickchange Ford banjo rear axles. 6-spline input. 

    Installation Instructions  (PDF)

  • Garage Sale - 1941-52 Ford 3/4 Ton Ring And Pinion, 4.87:1 Ratio
    Garage Sale
    Garage Sale - 1941-52 Ford 3/4 Ton Ring And Pinion, 4.87:1 Ratio
    x
                

    These gears are garage sale priced because we no longer offer them.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - GM 10 Bolt Ring & Pinion Instal Kit, 8.5
    Garage Sale
    Garage Sale - GM 10 Bolt Ring & Pinion Instal Kit, 8.5
    x
                Kit Includes:
    • cover gasket
    • marking compound and brush
    • carrier bearings
    • pinion seal
    • thread locking compound
    • sealer
    Note: Pinion-depth shims are not included.  
     
    This is Garage Sale priced because it does not include a crush sleeve or large pinion bearing.
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  
  • Motive Gear AX Series Ford 9 Inch Lightweight Ring and Pinion Gears
    Motive Gear AX Series Ford 9 Inch Lightweight Ring and Pinion Gears
    x
                

    Perfect for lightweight racing applications, these ring and pinion performance gear sets are designed to fit Ford 9" style rear end housings.  Motive Gear recommends the use of a daytona pinion support and solid pinion spacer in all racing applications.

    • Lightweight ring gear
    • Less rotating mass
    • Faster acceleration
    • Ring diameter: 9"
    • 10-7/16" x 20 right hand threaded bolts
    • Pinion diameter: 1.313" 28 splines
    • 8620 heat treated material 

    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 bearing failure.

    For use in: 

    • NASCAR®
    • NEXTEL CUP®
    • BUSCH GRAND NATIONAL®
    • CRAFTSMAN TRUCK®
    • ARCA®
    • IMCA®
    • UMP®
    • IHRA®
    • NHRA®

    Available in ratios:

    Manufacturer P/N         #of Teeth          Ratio

    F890422AX                 38-9                 4.22

    F890430AX     &n

  • 9 Inch Ford Ring & Pinion, 4.11 Gear Ratio
    9 Inch Ford Ring & Pinion, 4.11 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 9 Inch Ford Ring & Pinion, 6.20 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 6.20 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • Motive Gear Ford 9 Inch Performance Ring and Pinion, 1957 - Up Style
    Motive Gear Ford 9 Inch Performance Ring and Pinion, 1957 - Up Style
    x
                

    Motive Gear 9" Performance Style 1957 & Up ring and pinion gear sets are quality assured and tested to take a beating in your aluminum or steel housing.  Computer-controlled heat treatment, index tooth spacing, and CNC machining all go into this series of performance gear sets. 

    • 10 Bolt 3rd member
    • Aluminum or steel housing
    • Ring gear diameter 9"
    • 10-7/16" x 20 RH threaded bolts
    • Pinion diameter 1.313" 28 splines
    • No case breaks
    • 8620 Material - Heat Treated
    • Choose your ratio

    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 bearing failure.

    Motive Gear Performance Ring and Pinion Chart (GIF)   

  • DMI XR-1 Bulldog Rear End Replacemnt Ring and Pinion, 4.12 Ratio
    Garage Sale
    DMI XR-1 Bulldog Rear End Replacemnt Ring and Pinion, 4.12 Ratio
    x
                

    DMI offers 4. 12 and 4. 86 ring and pinion gear sets for popular quick change rear ends. Gear sets, which are manufactured from premium 9310 steel for maximum durability.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  

  • 9 Inch Ford Ring & Pinion, 5.83 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 5.83 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 9 Inch Ford Ring & Pinion, 5.43 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 5.43 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • Garage Sale - 7-1/2 Inch Ford Ring & Pinion, 410 Ratio
    Garage Sale
    Garage Sale - 7-1/2 Inch Ford Ring & Pinion, 410 Ratio
    x
                

    This ring and pinion is garage sale priced because the pinion gear appears to have been installed and returned.

     NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

    For your Pony car/Mini stock.  Don't forget the cross pin and bearing kit.

  • 9 Inch Ford Ring & Pinion, 5.00 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 5.00 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • Pro-Eliminator Rear End Replace Parts, Winters Ring & Pinion Set, 4.86
    Pro-Eliminator Rear End Replace Parts, Winters Ring & Pinion Set, 4.86
    x
                

    Winters ring & pinion for quick change with threaded rearend ring gears. Comes with ring gear bolts.

    Pro Eliminator Rear End Diagram (GIF)

  • 9 Inch Ford Ring & Pinion, 6.50 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 6.50 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 9 Inch Ford Ring & Pinion, 3.70 Gear Ratio
    9 Inch Ford Ring & Pinion, 3.70 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 9 Inch Ford Ring & Pinion, 4.71 Gear Ratio
    $159.99
    $169.99
    9 Inch Ford Ring & Pinion, 4.71 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • 9 Inch Ford Ring & Pinion, 5.67 Gear Ratio
    $159.99
    $169.99
    Product Rating: 5.00 Stars
    9 Inch Ford Ring & Pinion, 5.67 Gear Ratio
    x
                This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle. 

    Other ratios from 4.78 thru 7.33 available in our Lightened Gear series. (Part numbers 91919-478, 91919-525, 91919-614, 91919-666, 91919-683, 91919-700, 91919-716, 91919-733).

    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 bearing failure.

    Instructions (PDF)

  • Sweet Mfg. 005-93343-220 Power Rack and Pinion, 4 Inch w/ .220 Servo
    Sweet Mfg. 005-93343-220 Power Rack and Pinion, 4 Inch w/ .220 Servo
    x
                

    These power rack & pinions fit the majority of Rayburn, Mastersbilt, Barry Wright, Rocket (blue), Victory Circle and Warrior chassis and are 18-1/4".

    Rack speed is measured in inches per turn.  If you turn the pinion (1) time, the rack shaft will move between 1-3/4" (slow) and 3-1/4" (fast).  That number is stamped on the front of the housing next to the greases fitting.

     

     

     

  • Garage Sale - 1955-64 GM 8.2 Inch Axle Ring and Pinion Set, 4.56:1 Ratio
    Garage Sale
    Garage Sale - 1955-64 GM 8.2 Inch Axle Ring and Pinion Set, 4.56:1 Ratio
    x
                Please view the product's page for more information
            
  • Garage Sale - 1970-96 GM 10 Bolt 8-1/2 Inch Ring And Pinion, 308 Ratio
    Garage Sale
    Garage Sale - 1970-96 GM 10 Bolt 8-1/2 Inch Ring And Pinion, 308 Ratio
    x
                

    Note: When replacing a stock 2.56 (or numerically lower) ratio, the carrier must also be replaced with a 2.73 or higher ratio's carrier to compensate for the difference in ring gear thickness.

     

    This ring and pinion is garage sale priced because it has been bolted on and returned. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS


     

  • 1935-1948 Ford/Mercury High Speed Ring and Pinion Gear Set, 3.54 Gear
    1935-1948 Ford/Mercury High Speed Ring and Pinion Gear Set, 3.54 Gear
    x
                

    These ring & pinion sets fit 1935-1948 passenger cars or 1935-1941 Ford 1/2 ton pick-ups (no 3/4 ton or larger). All gear sets are direct replacements for stock, non-quickchange Ford banjo rear axles. 6-spline input.

    • Fits 1935-48 Passenger Cars or 1935-41 Ford 1/2 ton pickups
    • Does not fit 3/4 ton or larger
    • Stock (non-quick change)
    • All gear sets are direct replacements
    • Six spline input
    • 3.54 gear ratio

    Installation Instructions  (PDF)

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