SportMonster Chevy TH400 Transmission & Torque Converter

• Master Overhaul Kit: Comprehensive rebuild kit ensures the transmission is restored to like-new performance and reliability for long-term use.
• Shift Correction Kit: Enhances shift quality, timing, and responsiveness, delivering smoother and more precise shifts.
• New Pump Components: Provides consistent fluid pressure for reliable operation and extended durability.
• New Modulator: Ensures accurate shift control, improving drivability and efficiency.
• Teflon Sealing Ring Kit: Reduces leaks and improves sealing for enhanced reliability and long-term performance.
• New Separator Plate: Optimizes fluid flow for consistent, smooth shifts and increased durability.
• New Manual Shift Shaft: Ensures precise manual shifting and long-lasting performance.
• Stage-1 Clutches: High-performance clutches provide superior torque-handling and durability for heavy-duty or performance applications.
• Kolene Steels: Heat-treated steel plates resist wear and improve friction consistency, extending transmission life.
• Chrome Pan: Adds durability and style, with corrosion resistance and easier maintenance.
• PREVENT TRANSMISSION FAILURE: Watch our step-by-step installation video https://monstertransmission.com/pages/how-to-properly-install-a-transmission

Harness unstoppable power with a SportMonster TH400 transmission—a 3-speed automatic built to handle extreme torque and heavy-duty applications. Known for its bulletproof durability, the SportMonsterTH400 is the ultimate choice for muscle cars, trucks, and high-performance builds. Engineered with reinforced internals and precision components, this transmission delivers smooth shifts and unmatched strength, making it a favorite for racing, towing, and off-road domination.

INSTALL TIME

• 7 Hours

WARRANTY

Note

• 6 Year Warranty Unlimited Miles (3 Year Monster + 3 Year Extend)

NOTE

• All 2WD TH400 transmissions will be assembled with a 4-inch output shaft.
• All 4WD TH400 transmissions will be assembled with a 2.5-inch output shaft.