Speedmaster®
GM 10.5" 14 Bolt 4.10-Down 30 Spline TorqueWorm LSD Limited Slip Differential
Product Information
Overview
The TorqueWorm is a torque biasing 6 pinion gear type limited-slip unit. This is a preloaded unit allowing for a faster-reacting unit. The use of 6 pinion gears means the stress on gears is spread over a greater surface area, reducing the load on all internal components. The internal components are made from EN36 Material as used in racing. The outer cases made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life and improved strength.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE204.1043 |
| Part Type: | Differential Carrier |
| Aftermarket Carrier Style: | Limited Slip |
| Cover Bolts | 14 |
| Axel Shaft Spline Quantity: | 30 |
| Manufacturer of Axel | GM |
| Carrier Material | Steel |
| Quantity | Sold Individually. |
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.