Gearstar GSTH350L3 TH350 4x4 Level 3 Transmission

The Gearstar TH350 4x4 Level 3 Transmission is a performance-built automatic transmission designed for Chevrolet and GM four-wheel-drive applications requiring enhanced durability, reliability, and shift quality. Based on the legendary Turbo Hydra-Matic 350 platform, this Level 3 transmission features carefully selected upgrades that improve power-handling capability while maintaining the simplicity and proven dependability that have made the TH350 a favorite among performance enthusiasts.

Engineered for street, off-road, towing, and high-performance truck applications, the Level 3 package incorporates strengthened internal components, upgraded clutch materials, and performance-oriented calibration for firm, consistent shifts. Professionally assembled and tested, this transmission is built to withstand increased horsepower and torque demands while delivering dependable operation in challenging driving conditions.

• Performance-built TH350 automatic transmission designed specifically for GM 4x4 applications
• Level 3 upgrades increase durability, reliability, and power-handling capability over stock units
• Strengthened internal components and upgraded clutch materials provide long-lasting performance
• Delivers firm, consistent shifts for street, off-road, towing, and performance driving
• Professionally assembled and tested to ensure dependable operation in demanding environments