Gearstar GS4R70W34X43 4R70W 4x4 Modular Level 3 Transmission

The Gearstar 4R70W 4x4 Modular Level 3 Transmission is a performance-built automatic transmission engineered for Ford 4WD applications requiring greater strength, reliability, and shift performance than a factory unit. Built around the proven 4R70W platform with a modular bellhousing design, this transmission is upgraded to handle increased horsepower and torque while maintaining excellent street manners and everyday drivability.

Designed for performance trucks, SUVs, and off-road vehicles, the Level 3 package features strengthened internal components, upgraded clutch systems, and performance-oriented calibration to deliver crisp, consistent shifts under demanding conditions. Each transmission is carefully assembled and tested to ensure dependable operation, making it an ideal solution for enthusiasts seeking a durable, high-performance drivetrain upgrade.

• Performance-built 4R70W automatic transmission designed for Ford 4x4 applications
• Level 3 upgrades provide increased strength, durability, and power-handling capability
• Modular bellhousing design offers application flexibility and improved serviceability
• Enhanced internal components and performance calibration deliver firm, consistent shifts
• Ideal for high-performance street, towing, off-road, and custom truck builds requiring dependable transmission performance