RTS Serious Stall Converters RTS High Stall Torque Converters are designed for serious-minded performance enthusiasts and offer additional strength and durability, Higher stall speed of this converter 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. RTS CONVERTERS Built using state-of-the-art tools & equipment. Our converters include NEW components Welded Internal Hub Welded Fins onTurbine and Impeller Welded Pilot Flanged Hub 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! TORQUE CONVERTER SPECS: Stall: 2000-2200 Series: Stalker RATED AT 550HP Size: 13" Turbine: 30 spline Bolt Pattern: TH350 / TH400 Bolt Circle: 11.5" Pilot Size: 1.703 Mount: 3 pad, Accepts oem style 3/8unf nut and bolt