Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith

9 Inch Ford Ring & Pinion, 5.14 Gear Ratio

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What's in the Box

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)

You may also be interested in:

DVD - Richmond Gear Installation Instruction
                        Shows you how to properly install ring and pinion gear sets. Packed with information for correct installation procedures. 
                    
Lubrication Engineers SAE 140 Weight Gear Oil, 1 Gallon
                        

Whether you're running a stock flattie and rearend or hopped-up overhead and quick change, you need to run a good gear lube. Remember that your rearend was designed fifty plus years ago and needs all the help it can get. The biggest improvement you can give it is a lubricant that will allow the gears to survive the highway speeds that cars see today. L.E. gear oil is what we use in our 350 mph streamliner, that uses a V-8 quick change, without failure. The "red stuff" provides superior lubrication for long gear life. You can't win if you don't finish. We suggest 90 weight for the street and 140 weight for extreme uses.

  • Formulated using blends of high quality paraffinic and synthetic base fluids
  • Contains a highly shear stable tackiness
  • Unique blend of base fluids and thermally stable EP additives
  • Separates readily from water
  • Contains non-silicone defoaming additives
  • Contains no solids
  • Contains DUOLEC LE's proprietary dual acting liquid wear-reducing and extreme pressure additive

LE Gear Oil Data Sheet (PDF)

Assembly Stand for 9 Inch Ford Differential
                        Mount this assembly stand to your work bench (or engine stand) and stop wrestling with the third member every time you need to replace a gear set or spool. Saves you time and energy!  Rotates 360° for total access to your assembly.
                    
Ford 9 Inch Steel Full Spool
                        

Lightweight and standard steel Ford 9" full spools are available with 28 or 31 splines. Standard steel spool weighs 8.7 lbs. (28 Spline) & 8.0 lbs. (31 Spline).  The lightweight steel spool weighs 6.2 lbs. (28 Spline) & 6.1 lbs. (31 Spline)

NOTE: All Ford 9" full spools use overhaul kit #919-0950-31, even if they are a 28 spline spool.  The 919-0950-31 contains the large I.D. standard O.D. carrier bearings and pinion bearings.

If you are using the H.D. nodular iron center section which use the large diameter carrier bearings, order kit # 919-0950-31s, which also includes the large pinion bearings for use with the Daytona pinion support.
9 Inch Ford Rear End Overhaul Kit
                        This 9" Ford overhaul kit includes: pinion pilot, pinion shaft, pinion nut, pinion seal, gasket, shims, crush collar, sealant, gear marking grease, brush and Loctite. Ring gear bolts not included. 

NOTE: All Ford 9" full spools use overhaul kit 9190950-31, even if they are a 28-spline spool. The 9190950-31 contains the large I.D. standard O.D. carrier bearings and pinion bearings needed for use with our full spools.

If you are using the H.D. nodular iron center section which uses the large diameter carrier bearings, order kit 9190950-31s, which also includes the large pinion bearings for use with the Daytona pinion support.

9" Ford Carrier Bearing Chart (GIF)  - Double check your bearing p/n.

Ford 9 Inch Megalite Steel Full Spool, 31-Spline
                        These Ford 9" megalite steel full spools weigh just 5.49 lbs.

Comparison spool weights:

  • Aluminum - 5.0 lbs.
  • Lite Steel - 6.1 lbs.
  • Standard Steel - 8.0 lbs.
  • Stock carrier with mini spool - 13.7 lbs.

Note: All Ford 9" full spools use overhaul kit 9190950-31. The 9190950-31 contains the large I.D. standard O.D. carrier bearings and pinion bearings needed for use with our full spools.

If you are using the H.D. nodular iron center section which uses the large diameter carrier bearings, order kit 9190950-31s, which also includes the large pinion bearings for use with the Daytona pinion support.

Ford 9 Inch Megalite Steel Full Spool, 28-Spline
                        These Ford 9" megalite steel full spools weigh just 5.55 lbs.

Comparison spool weights:

  • Aluminum - 5.0 lbs.
  • Lite Steel - 6.0 lbs.
  • Standard Steel - 8.9 lbs.
  • Stock carrier with mini spool - 13.7 lbs.

Note: All Ford 9" full spools use overhaul kit 9190950-31, even if they are a 28-spline spool. The 9190950-31 contains the large I.D. standard O.D. carrier bearings and pinion bearings needed for use with our full spools.

If you are using the H.D. nodular iron center section which uses the large diameter carrier bearings, order kit 9190950-31s, which also includes the large pinion bearings for use with the Daytona pinion support.

Pinion Nut for 9 Inch Ford
                        Thread pitch on this pinion nut is 3/4"-20. Fits 8" and 9" Ford rear axles.
                    
Ring Gear Bolts for 9 Inch Ford, 10 PK
                        Ring gear bolts for 9" Ford. Pack of ten.
                    
Option - Labor to Lighten 9 Inch Ring & Pinion
                        

This labor option is only available on Ford 9" ring gear when you purchase your new ring and pinion. A 5.43 ring gear comes out 2.6 lbs. lighter. Other ratios may vary. 

Made to order, will ship 24-48 hours after receipt of order.