Speedmaster PCE676.1011 GM TH400 Billet Aluminum 0.250" Oversize Intermediate Piston 5.867"

The Speedmaster PCE676.1011 is a precision-engineered billet aluminum intermediate piston designed for GM TH400 transmissions. Manufactured from billet aluminum stock, this oversize piston measures 5.867" and features a 0.250" oversize specification, making it ideal for high-performance rebuilds and upgrades where OEM components need replacement or enhancement.

This intermediate piston is commonly used in transmission repair shops, custom builders, and performance automotive applications where durability and precision are critical. The billet construction provides superior strength compared to cast alternatives, making it well-suited for heavy-duty use and modified engine applications. Whether you're rebuilding a vintage muscle car, high-performance street machine, or restoring a classic truck, this piston delivers the quality engineering needed for reliable transmission operation.

Key Features & Benefits

• Billet Aluminum Construction: Engineered from billet aluminum for superior strength and durability compared to cast alternatives.
• 0.250" Oversize Specification: Precision-machined to 0.250" oversize dimensions for exact TH400 fitment and performance requirements.
• 5.867" Diameter: Precisely sized intermediate piston for GM TH400 transmission applications.
• GM TH400 Compatibility: Purpose-built replacement and upgrade piston for GM three-speed TH400 automatic transmissions.
• High-Performance Ready: Ideal for transmission rebuilds, upgrades, and performance automotive applications.

Specifications

Ideal Applications

• GM TH400 transmission rebuilds and restoration projects
• High-performance and modified engine transmission upgrades
• Professional transmission repair shop replacements
• Classic and muscle car transmission restoration