Speedmaster®

Turbo 400 TH400 TH375 M40 Transmission Shift Improver Kit - Stage 2

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US $38.20 US $44.90
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MPN: PCE222.1007 UPC: 840136518273

Product Information

Overview

Provides very positive shifts for high performance street use or for competitive events. This model is for the enthusiast who wants the hardest, quickest possible shift.

Specs

Brand:Speedmaster
Part Number:PCE222.1007
Part Type:Automatic Transmission Shift Kit
Filter Included:No
Gaskets Included:Yes
Full Manual:No
Quantity:Sold as a kit.
Notes:Does not fit transmissions built after 1987.

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.