Speedmaster®
Ford 9" 28 Spline 5.38:1 Ratio Ring and Pinion Gears Set 8620
Product Information
Specs
| Brand: | Speedmaster |
| Part Number: | PCE211.1112 |
| Part Type: | Ring and Pinion Gear |
| Ring and Pinion Material: | 8620 Steel |
| Ring and Pinion Ratio: | 5.38:1 |
| Cover Bolts: | 10 |
| Ring Gear Bolts: | 10 |
| Pinion Spline Count: | 28 |
| Carrier Series: | STD |
| Ring Gear Rotation: | STD |
| Ring Gear Teeth: | 37 |
| Pinion Gear Teeth: | 10 |
| Ring Gear Diameter (in): | 9.000 in. |
| Pinion Shaft Diameter (in): | 1.313 in. |
| Installation Kit Included: | No |
| Quantity: | Sold as a set. |
| Notes: | Street use only. |
Description
The Speedmaster TDS ring and pinion sets are engineered manufactured and tested for maximum performance. These ring and pinion sets are CNC-cut from 8620 steel for outstanding durability, factory-lapped for a precise fit, and Rockwell-tested for hardness. Available in many different ratios to fit a variety of differentials.
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.