LS RTS Serious Stall Converters

RTS high stall torque converters are designed for serious-minded performance enthusiasts and offer additional strength and durability. The higher stall speeds of these converters will launch the car in a higher RPM range where more torque is readily available, resulting in quicker acceleration. They’re available for a variety of transmission makes and models. They are also available in a custom build model to suit any performance high horsepower application.

Click here for more details on our custom built torque converters.


  • Built using state-of-the-art tools & equipment
  • Billet Cover 
  • Includes NEW components
  • Welded internal hub
  • Welded fins on turbine and impeller
  • Welded pilot
  • Chromoly Flanged hub, acts as a internal Anti Balloon plate
  • All critical surfaces are resurfaced by skilled craftsman
  • Pressure tested to ensure a full and complete weld
  • Electronically balanced for precision accuracy
  • Made in the USA!


  • Improved acceleration and throttle response
  • Adapts the popular GM 258mm convertercore
  • Fits 9.674" (245mm), 11.062" (281mm) and 11.500" (292mm) flexplate bolt patterns
  • Weld-on pilot adapts to many applications
  • Chromoly steel turbine and impeller hubs

Torque Converter Specs

Stall: 3600-4000
Series: Bandit Billet Plus rated up to 850hp
Transmission Type: LS 4L65E
Size: 300mm
Turbine: 30 spline
Bolt Circle:  10.750", 11.062" and 11.500
Pilot Size: 1.703
Mount: Mounting Ring with tapped M10x1.5 bolt holes