Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®

Search

Canadian Leaf

9 Inch Ford Ring & Pinion, 6.50 Gear Ratio

SAME DAY SHIPPING! Most orders ship within 24 hours.

Specs
Material Type:
Steel
Sold in Quantity:
Each
Finish:
Black Oxide
Ratio:
6.50
Garage Sale:
No
9 Inch Ford Ring & Pinion, 6.50 Gear Ratio
9 Inch Ford Ring & Pinion, 6.50 Gear Ratio

Click image to enlarge

Speeday Motors Logo
X
9 Inch Ford Ring & Pinion, 6.50 Gear Ratio

Details

Reviews

Q & A

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. 
                    
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.
                    
9 Inch Ford Small Yoke
                        We found a limited supply of new small yokes for the 9" Ford.  They accept the 1310 series U-joints (1-1/16" caps x 3-7/32").  Fits standard 28 spline pinion gear.
                    
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.

Ultra-Lite Ford 9 Inch Ring Gear & Pinion, 6:50 Ratio
                        
  • Ultra lightweight ring gear and pinion for 9" Ford
  • Speedway's in-house lightening process can remove up to 2.6 lbs of rotating weight from your drivetrain
  • Less rotating mass for faster acceleration
Motive Gear Ford 9 Inch Performance Ring and Pinion, 1957 - Up Style
                        

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)   

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.