Speedmaster®
Ford C4 Transmission Performance Complete Planetary Gear Set
Product Information
Overview
Speedmaster planetary gears are cut with a straight tooth instead of the helical cut tooth. This offers strength and no thrusting while torque is applied. The 8-pinion rear planetary carrier is made from 4340 steel. The 6-pinion front planetary is constructed from investment cast steel.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE550.1009 |
| Part Type: | Automatic Transmission Gear |
| Gear Set Type: | Planetary |
| Gear Set Material: | 4340 Steel |
| Gear Type: | Straight Cut |
| Front Planetary Gear Spline: | 34 |
| Front Planetary Gear Ratio: | 2.18 |
| Front Planetary Pinion Gear Quantity: | 6 |
| Rear Carrier Spline Count: | 37 |
| Rear Planetary Gear Ratio: | 1.67 |
| Rear Planetary Pinion Gear Quantity: | 8 |
| Thrust Bearings Included: | Yes |
| Quantity: | Sold as a kit. |
| Notes: | Includes lightened driving shell with sun gear installed. |
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.