Speedmaster PCE432.1050 Ford C4 Aluminum Competition Transmission 1500+ HP

The Speedmaster PCE432.1050 is a full competition Ford C4 aluminum transmission engineered for extreme performance applications up to 1500+ horsepower. Built for drag racing and serious street/strip use, this transmission combines advanced materials with proven racing technology to deliver consistent, reliable power transfer season after season.

Heavy-Duty Billet Internals:

• 31-spline billet input and output shafts for maximum strength
• Fully rollerized transmission reduces friction and improves efficiency
• Reinforced aluminum main case strengthened to handle 1500+ horsepower
• Special ball bearing rear shaft prevents flexing under load
• Rear bushing upgraded to ball bearing for improved durability

Carbon Fiber Clutch Pack Upgrades:

• First drum: 10 carbon fiber clutches (8% larger diameter)
• Second drum: 10 carbon fiber clutches (8% larger diameter)
• First band: Extra-wide 2.250" carbon fiber
• Reverse band: Carbon fiber construction

Competition Planetary and Servo Components:

• First gear planetary: 8 straight-cut gears for maximum strength
• Second gear planetary: C6-style 6 straight-cut gears
• Redesigned rear sprag for improved reliability
• Big second gear servo for firmer shifts
• Redesigned reverse servo
• Gear ratio: 2.46 first gear

CNC Billet Reverse Pattern Valve Body:

Includes a precision CNC-machined billet valve body with reverse pattern (forward = back, reverse = forward) for optimal race performance and manual control.

Important Note: This transmission requires the use of a C6 torque converter or installation of adapter PCE612.1015. Not a standard C4 bolt pattern. Every component has been upgraded from stock C4 specifications for competition use.