Speedmaster PCE659.1001 Ford Mustang Falcon Toploader Tailshaft Extension Housing Big Shaft

The Speedmaster PCE659.1001 is a tailshaft extension housing designed for Ford Mustang and Falcon vehicles equipped with the Toploader manual transmission. This OEM-style replacement component houses the rear output section of the transmission, serving as a critical interface between the transmission body and the driveshaft assembly. The big shaft variant is engineered to accommodate larger diameter output shafts found in high-performance and modified Mustang and Falcon builds.

This extension housing is ideal for transmission rebuilds, overhauls, and restorations where the original housing is damaged, cracked, or worn. It provides a direct fit solution for classic Ford muscle cars and street machines that rely on the robust Toploader transmission platform. Whether you're performing a complete drivetrain refresh or replacing a failed component, this Speedmaster housing delivers the durability and fitment accuracy needed for reliable performance.

Key Features & Benefits

• Big Shaft Design: Engineered specifically for big shaft applications in high-performance Toploader builds.
• Ford Mustang/Falcon Fit: OEM-compatible tailshaft extension housing for Toploader-equipped classic Ford vehicles.
• Transmission Housing: Serves as the rear output housing assembly for the Toploader manual transmission system.
• Replacement Component: Direct replacement part for transmission rebuilds, overhauls, and restoration projects.
• Speedmaster Quality: Manufactured to deliver reliable fitment and durability for classic car applications.

Specifications

Ideal Applications

• Toploader transmission rebuilds and overhauls
• Classic Ford Mustang and Falcon drivetrain restoration
• High-performance street machine transmission assembly
• Manual transmission replacement and repair