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Summit Racing SpeedCard - learn how to get 15% back up to $150

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- All Items, Including Not In Stock (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
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Ring Gear Bolts
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- 1.313 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Installation Kit Included
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Cover Gasket Included
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Pinion Shims Included
- No (3)
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Moser Engineering Ring and Pinion Sets
Ring and Pinion Gears
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Filters

Differential Case Design Type
- Ford 9 in. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Ring and Pinion Ratio
- 3.89:1 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.11:1 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4.57:1 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Ring Gear Bolts
- 10 (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Pinion Spline Count
- 35 (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Ring Gear Rotation
- Standard (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Ring Gear Diameter (in.)
- 9.000 in. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Pinion Shaft Diameter (in.)
- 1.501 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.313 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Installation Kit Included
- No (3)
Cover Gasket Included
- No (3)
Pinion Shims Included
- No (3)

Moser Engineering

Moser Engineering Ring and Pinion Sets

4.6 out of 5 stars 5 Customer Reviews

Moser Engineering stocks a full line of ring and pinion gears to fit most popular rears. These gears are CAD-designed, CNC-machined, and computer control heat-treated to ensure that you receive the highest quality and best performing gears on the market. Moser offers two types of ring and pinion gears: Pro Street street/strip gears, which are capable of handling most applications; and Competition gears—also known as Pro gears—intended only for drag strip applications.

All the results found for this search are Not In Stock.

Results 1 - 4 of 4

Moser Engineering Ring and Pinion Sets 07-990486 Ford 9 in. 4.86 Gears

Moser Engineering Ring and Pinion Sets 07-990486 Ford 9 in. 4.86 Gears

Moser Engineering Ring and Pinion Sets 07-990486 Ford 9 in. 4.86 Gears

Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Competition, Set

Part Number: MSR-09F486P

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Moser Engineering Ring and Pinion Sets 07-990389 Ford 9 in. 3.89 Gears

Moser Engineering Ring and Pinion Sets 07-990389 Ford 9 in. 3.89 Gears

Moser Engineering Ring and Pinion Sets 07-990389 Ford 9 in. 3.89 Gears

Gear, Ring and Pinion, 3.89:1 Ratio, Ford, 9 in., Competition, Set

Part Number: MSR-09F389P

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Moser Engineering Ring and Pinion Sets 07-990457 Ford 9 in. 4.57 Gears

Moser Engineering Ring and Pinion Sets 07-990457 Ford 9 in. 4.57 Gears

Moser Engineering Ring and Pinion Sets 07-990457 Ford 9 in. 4.57 Gears

Gear, Ring and Pinion, 4.57:1 Ratio, Ford, 9 in, Set

Part Number: MSR-09F457P

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Moser Engineering Ring and Pinion Sets 07-990411 Ford 9 in. 4.11 Gears

Moser Engineering Ring and Pinion Sets 07-990411 Ford 9 in. 4.11 Gears

Moser Engineering Ring and Pinion Sets 07-990411 Ford 9 in. 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 9 in., Competition, Set

Part Number: MSR-09F411P

5.0 out of 5 stars ( 1 )

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Need It Sooner? We recommend these similar substitute parts:

Richmond Gear EXCel Ring and Pinion Sets F9411 Ford 9 in. 4.11 Gears

Richmond Gear EXCel Ring and Pinion Sets F9411 Ford 9 in. 4.11 Gears

3 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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