Speedmaster GM TH400 Transmission Billet Aluminum Full Manual Valve Body PCE634.1006.02

The Speedmaster PCE634.1006.02 is a billet aluminum manual valve body designed for GM TH400 transmissions. This full manual valve body replaces the factory unit and provides direct shift control for high-performance and custom transmission builds. Constructed from billet aluminum, it offers durability and precision engineering for serious transmission enthusiasts and engine builders.

This GM TH400 valve body is ideal for street rods, drag racing applications, and custom automotive projects where manual shift control and reliability are essential. The black finish provides a professional appearance. Direct installation compatibility with TH400 transmissions makes this a straightforward upgrade for those seeking improved shift response and control over factory automatic behavior.

Key Features & Benefits

• Billet Aluminum Construction: Precision-engineered from billet aluminum for strength and durability in high-performance applications.
• Full Manual Valve Body: Provides complete manual shift control for the TH400 transmission without automatic shifting.
• Black Finish: Professional black powder-coated or painted finish for a finished appearance.
• GM TH400 Compatible: Direct fit replacement for factory TH400 transmission valve bodies.
• Performance-Focused Design: Purpose-built for custom builds, street rods, and racing applications requiring manual transmission behavior.

Specifications

Ideal Applications

• Street rod and hot rod transmission builds
• Drag racing and high-performance vehicles
• Custom automatic-to-manual transmission conversion projects
• Engine swap builds requiring manual transmission control