Availability

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Differential Case Design Type
- Ford 9 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.
Ring and Pinion Ratio
- 6.83:1 (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 (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.
Pinion Spline Count
- 28 (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 Rotation
- Standard (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 Diameter (in.)
- 9.000 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.
Pinion Shaft Diameter (in.)
- 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 (1)
Cover Gasket Included
- No (1)
Pinion Shims Included
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Filter Options
- Circle Track (3)

Summit Racing™ Circle Track Ring and Pinion Gears

3.9 out of 5 stars 10 Customer Reviews

Move out of the corners faster with Summit Racing™ Circle Track ring and pinions. Our superior lightened 9 in. Ford gears lessen your rotating weight for faster acceleration. Built from high performance 8620 steel, these Summit Racing™ gears offer several ratios for your Circle Track race car. Get power to your wheels and accelerate down the straightaways with the quality and value of Summit Racing™ ring and pinions for Circle Track.