Richmond Gear EXCel F9389 9 Inch Ford Ring & Pinion, 3.89 Ratio
Richmond Gear EXCel F9389 9 Inch Ford Ring & Pinion, 3.89 Ratio
Speedway Motors

|

#91919389

Richmond Gear EXCel F9389 9 Inch Ford Ring & Pinion, 3.89 Ratio

  • 3.89 gear ratio
  • 9" outside diameter
  • 28 tooth spline count
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Ratio:

3.89:1

3.50:13.70:14.11:14.56:1

$224.99

/each

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Product Summary

Ford 9 Inch, Grand National, 3.89:1 Ratio, Steel

  • 3.89 gear ratio
  • 9" outside diameter
  • 28 tooth spline count
  • Will fit any stock 9" Ford carrier
  • Steel construction
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Key Specs

MFG. Part #91919389
BrandSpeedway Motors
Ratio3.89:1
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Need To Know

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855.313.9176
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Speedway Motors 91919389 Details

This product offers exceptional strength and service life at a great price! We offer a huge selection of ratios for your 9" Ford axle.

 

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.

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Speedway Motors 91919389 Specifications

KEY SPECS
MFG. Part #91919389
BrandSpeedway Motors
Ratio3.89:1
GENERAL
Ring Tooth Count35
Pinion Tooth Count9
Shaft Diameter1.313"
Outside Diameter9.00"
Spline Count28
Material TypeSteel
GTIN Code698231729106
Sold in QuantitySet

Ratings & Reviews

4.4

5 Reviews

Overall Assessment

Our product is celebrated for its quality workmanship and superior fit. Customers have praised its practicality for DIY project trucks, with specific mentions of its snug fit and efficient performance. Despite a minority report of noise, most users applaud the product's quiet operation, even under stress. A noteworthy batch of reviews would readily purchase this product again, indicating trust in its enduring quality over competing brands.

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4.4

5 reviews

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Very well built with a snug fit like it's supposed to be!

5.0

4 years ago

Colby G.

Gainesville, Georgia

Verified

This fit perfectly and is installed, ready to crank up once the truck is finished!

Would Recommend

New Ring and Pinon for my project truck.

5.0

5 years ago

David

Boise, ID

Verified

Just what I ordered. Thanks

Would Recommend

I would buy this brand product again.

5.0

9 years ago

Nate

Alaska

Verified

Product was of great quality gears good workmanship.

Would Recommend

I would not buy this again very noisy

2.0

9 years ago

Don

Ont Canada

Verified

Very noisy no matter what I do

Would Not Recommend

I would buy this product again

5.0

9 years ago

Geyejoe

Omaha NE

Verified

So far it works great in my 53 F100 with a 347 stroker no noise.

Would Recommend

Showing 5 of 5 reviews

Questions & Answers

1 Question • 1 Answer

is this available in 31 spline?

by Frank

• 9 years ago

1 answer

View Answer

1 of 1 questions shown

Fitment

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