Sinister Speed Torque Converters Feature

*Custom Designed Configurations in 10″, 9.5″, 9″ and 8″ Converter Sizes
*Precision Robotic Welding
*Computer Balancing
*Pressure Testing
*Torrington Bearings
*Custom Reinforced Turbine Hub
*Double Nitrous/Balloon Plates
*100% Furnace Brazed



What’s New

Deric set the NON NITROUS Sinister Speed and DSM 62mm turbo record at 8.93@146.7mph!! Deric used our “Spoolinator” 8″C2 torque converter to hit a 1.31 60ft and coupling at 3.7% (8700rpm trap).

* New 9.5″ Supra MK4 Torque Converter
* Our DSM 9.5″ Torque Converter is reporting 2% slippage on a BW 372 turbo at 32psi. Graph below shows 8410rpm @136mph.


Po Box 444

Wheeling, IL 60090

Large Flat Rate USPS Box @ $17

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