258mm TH350/TH400 Billet Torque Converter

TRT Street Plus Series 258mm TH350/TH400 Billet Torque Converter 

Key Features:

• Billet Cover 
• Flanged Impeller Hub
• 10.750" & 11.06" Bolt Circles 
• Furnaced Brazed & TIG Welded 
• Heavy Duty Torrington Bearings 
• 258mm Converter Diameter 

Review the TRT installation guide before installing your converter, including seating, clearance, mounting hardware, and startup checks.

Read the TRT Installation Guide (PDF)

For application-specific installation questions, contact TRT or call (937) 999-4466.

Check the listed transmission, spline count, bolt circle, and available options against your application. Contact TRT if you need help confirming compatibility before ordering.

Actual flash stall depends on engine torque, vehicle weight, gearing, and the rest of your combination. A listed stall range will not produce the same result in every vehicle.

Free shipping within the lower 48 states.

Contact TRT for current availability and build time for your selected configuration before planning an installation or race date.

Contact TRT for the warranty terms applicable to this converter and your intended use.

For product questions or help with an existing order, contact our team or call (937) 999-4466.