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America's Oldest Speed Shop ® 800.979.0122 Lincoln, NE
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U.S.Order Line:

800.979.0122

(CST) 7am - 10pm

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Mon-Fri 8am - 5pm

Canadian Order Line:

855.313.9180

International Order Line:

1.402.323.3200
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Ford 9 Inch Third Member Assembly, Mini Spool, 28-Spline

Specs
Spline Count:
28
Sold in Quantity:
Box
Ring Gear Weight:
-
Differential Type:
Mini Spool
Spool Weight:
Standard
Housing Material:
Cast-Iron
Gear Ratio:
-
Garage Sale:
-
Notes
Includes 3-5/8" stock Ford yoke.
Ford 9 Inch Third Member Assembly, Mini Spool, 28-Spline

Click image to enlarge

Details

Reviews

Q & A

What's in the Box

  • Profesionally assembled for oval track racing only 
  • Pro Gears ring & pinion
  • Your choice of gear ratio, 3.50:1 to 7.33:1
  • 28-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.

910-48340 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.

Warranties

WARNING: Circle track racing applications require a minimum of 4 qts. of rearend lube. Using less than this amount will lead to immediate pinion failure which voids all warranties.

Customer Reviews

Rated 5 out of 5 by 1 reviewers.
RATING BREAKDOWN
1 reviews
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

GMASSLLC
Verified Purchaser

aaaaaaaaaaaaaaa

August 20, 2014
Nice part would use again came in a nice carrier was delivered on time looked clean and ready to go.
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

2 questions : 2 answers

1 answers

Can this be used to drive on the street Just wondering if this could be used to drive around town and hit the strip now and again,Or if the limited slip one would be better?

Cody355s10
north dakota
June 25, 2014

Can this be used to drive on the street Just wondering if this could be used to drive around town and hit the strip now and again,Or if the limited slip one would be better?

Answers

June 26, 2014
EricM
You would be much better off with a limited slip since you will be driving on the street much more than the track. If you had a car that was primarily used to go to the track and occasionally driven on the street then I might think about a spool but a limited slip would probably be best there as well.
1 answers

can I get it with a 35 spline full spool

bill
vaughn mt
July 19, 2015

can I get it with a 35 spline full spool

Answers

July 20, 2015
Eric
Expert
Sorry we do not offer any 35 spline components for 9" rear ends.
Page 1 of 1

You may also be interested in:

Option - Yoke for 3-1/4 Inch U-Joint w/ 1-1/16 Inch Caps
(Part #91048339)
                        
                    
9 Inch Ford Ring & Pinion, 5.83 Gear Ratio
(Part #91919583)
                        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, 6.50 Gear Ratio
(Part #91919650)
                        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 9 Inch Third Member Assembly, Full Spool, 28-Spline
(Part #91048342)
                        
  • Professionally assembled for oval track racing only 
  • Includes Pro Gears ring & pinion
  • Your choice of gear ratio, 3.50:1 to 7.33:1
  • Includes 3-5/8" stock Ford yoke
  • Viton high heat pinion seal
  • Solid pinion bearing spacer with shims
  • Plastic storage case

910-48342 Instructions (PDF)

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

Order applicable spool:

  • STD = Standard
  • LITE = Lightweight
  • MEGA = Megalite

Available options include machining of the yoke to accept Chevy/GM U-joint (add 91048339) and lightening of the ring gear to remove weight (add 91600013; 5.37:1, 6.66:1, 6.83:1, 7.00:1 ratios are already lightened).

All NEW Ford 9 Inch Third Members, Full Spool, 28-Spline
(Part #91048346)
                        

Our completely NEW 9" Ford third members start with an aftermarket heavy-duty cast iron carrier featuring a new cast iron Daytona pinion support and larger bearings. Then we use your choice of a standard (8.9 lbs.), lite (6 lbs.) or megalite (5.55 lbs.) steel full spool.

Each is available with your choice of 3.50:1 to 7.33:1 gear ratio ring & pinion. Also includes NEW bearings and Viton high-temperature seals. Professionally assembled for oval track race use and shipped in a re-useable plastic storage case.

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) and lightening of the ring gear to remove weight (add 91600013).

Fel-Pro Gaskets P2302 9 Inch Ford Pumpkin Gaskets
(Part #3442302)
                        

Lose the RTV silicone! With Fel-Pro reuseable third member housing gaskets, you don’t have to worry about applying an RTV and waiting for it to set up to seal. In addition, installing precut Fel-Pro gaskets helps eliminate the risk of contaminating the differential housing with RTV.

Gaskets have a steel core and non-stick coating.

Lubrication Engineers SAE 90 Weight Gear Oil, 1 Gallon
(Part #91044090)
                        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 Performance Data Sheet (PDF)

LE Gear Oil Safety Data Sheet  (PDF)

Rear Axle Breather, AN4 Bulkhead
(Part #91045845)
                        

The pleated high efficiency breather comes with an AN4 bulkhead fitting and nut. AN4 fitting is 7/16 x 20 thread. Filter has hose clamp to tighten lower rubber flange to bulkhead fitting. Rubber lipped base of filter accepts 1/2" fitting and can be adapted to a 1/4" pipe nipple if desired. Can be used on various applications with appropriate plumbing components.

Filter is available separately under part number 465-621330.

9 Inch Ford Ring & Pinion, 3.50 Gear Ratio
(Part #91919350)
                        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)