Speedmaster®

GM TH400 Racing Heavy Duty Transmission Input Shaft & Aluminum Forward Drum

US $612.20
Single Points Earn 612 Points

In Stock — Ships within 24 hrs from California

Free Shipping— Lower 48 States

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MPN PCE623.1009 UPC840136559306

Product Information

Overview

Turbo 400 Billet Aluminum Forward Drum & Billet Input Shaft (with Modified Lube Circuit) The torque converter lube holes have been removed from the shaft to deliver superior strength.

Specs

Brand:Speedmaster
Part Number:PCE623.1009
Part Type:Automatic Transmission Drum
Transmission Drum Material:7075-T6 Billet Aluminum
Sprag Assembly Included:No
Quantity:Sold as a kit.
Notes:Steel center hub for racing and heavy duty applications.

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.

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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.