Speedmaster GM 4L80 Transmission Billet Aluminum Full Manual Valve Body - Silver PCE634.1009.01

The Speedmaster GM 4L80 Transmission Billet Aluminum Full Manual Valve Body (PCE634.1009.01) is a precision-engineered replacement component for GM 4L80 automatic transmissions. Manufactured from billet aluminum and finished in silver, this full manual valve body delivers enhanced control and durability for high-performance and street applications. It is designed as a direct replacement for the factory valve body, making it suitable for transmission rebuilds, upgrades, and performance modifications.

This component is ideal for enthusiasts and professional technicians working on 4L80 transmission systems. The billet aluminum construction offers superior strength and longevity compared to OEM cast alternatives, while the full manual design provides precise shift control for those seeking customized transmission tuning. Whether restoring a stock transmission or building a performance variant, this valve body integrates seamlessly into 4L80 assemblies. The silver finish provides excellent visibility and a professional appearance during transmission work.

Key Features & Benefits

• Billet Aluminum Construction: Manufactured from high-strength billet aluminum for improved durability and reliability over cast components.
• Full Manual Design: Enables precise manual control and tuning of transmission shifts for customized performance.
• GM 4L80 Compatible: Direct replacement component engineered specifically for GM 4L80 automatic transmissions.
• Silver Finish: Precision-applied silver finish provides visibility and professional appearance.
• Precision Engineering: Designed and manufactured to exacting standards for reliable, seamless integration.

Specifications

Ideal Applications

• Transmission rebuilds and overhauls for GM 4L80 automatic transmissions
• Performance and street rod transmission modifications requiring manual shift control
• High-performance vehicle builds utilizing 4L80 transmissions
• Professional transmission service and restoration work