Speedmaster®
GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio
Product Information
Overview
Speedmaster planetary gear sets are ideal for modern big-displacement engines. Speedmaster only offers planetary gear sets which provide superior torque output for modern high-output motors. This planetary gear is fully Rollerized!
Specs
| Brand: | Speedmaster |
| Part Number: | PCE550.1006 |
| Part Type: | Automatic Transmission Gear |
| Gear Set Type: | Planetary |
| Gear Set Material: | 4340 Steel |
| Gear Type: | Straight Cut |
| Reaction Carrier: | 6 Pinion |
| Output Carrier: | 5 Pinion |
| 3-Speed Ratio: | 2.10-1.40 |
| 2-Speed Ratio: | 1.40 |
| Quantity: | Sold as a Kit. |
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.