Speedmaster Ford C4 C5 Automatic Transmission Billet C Ratio Servo Piston Kit PCE610.1001.04

The Speedmaster Ford C4 C5 Automatic Transmission Billet C Ratio Servo Piston Kit (PCE610.1001.04) is a high-performance internal transmission component designed for C4 and C5 Ford automatic transmissions. This billet servo piston upgrade replaces the OEM piston with a precision-machined billet unit, delivering improved durability and consistent shift performance in transmission rebuild and performance upgrade applications.

The C ratio servo piston is a critical hydraulic component that controls band actuation within the transmission. The billet construction offers superior strength and dimensional consistency compared to cast alternatives, making it ideal for street, competition, and high-output engine applications. This kit is suitable for transmission rebuilders, performance enthusiasts, and shops performing C4 or C5 transmission service or customization. The black finish provides corrosion resistance and a professional appearance during transmission assembly.

Key Features & Benefits

• Billet Construction: Precision-machined billet piston offers superior strength and durability compared to cast OEM components.
• C Ratio Design: Engineered specifically for C4 and C5 Ford automatic transmission servo applications.
• Improved Consistency: Tighter tolerances and uniform material properties ensure reliable shift performance and band engagement.
• Black Finish: Corrosion-resistant coating provides protection and a professional appearance.

Specifications

Ideal Applications

• Transmission rebuild and overhaul for Ford C4 and C5 automatic transmissions
• Performance upgrade and customization for high-output engine applications
• Professional transmission service and repair in automotive shops
• Street and competition vehicle transmission enhancement