
Slingshot High Performance Converters is a family owed business and one of the leading companies producing High Stall Torque Converters. We specialize in the High Stall area of Torque Converters only which makes us the experts when it comes to finding solutions for those High Stalls that have been deemed impossible to create or fix!
We are toolmakers by trade and with over 25 years experience we know everything that there is to know about modifying and building custom High Stall Converters consistently maintaining the highest possible standard of workmanship.
We make the large range of High Stalls from Standard body for basic street cars to the full drag 8”, full custom 7” for rotary’s as well as custom combination High Stall Converters for different transmission to motor combinations.
Slingshot design and build a custom High Stall Converter that has a range of 3000-5800RPM stall for RB 30/4N71B and will out last any transmission life built for up to 800HP guaranteed... Read more.
Got some great photos of your performance Beast with our product in action and you'd like to add to our gallery? Click here to add your photo!
If you have a converter that you need made to spec for your speed machine Slingshot is your best option. Vechicle Specification Sheet.

Dave came to Slingshot with problems in obtaining Torque Converters that can keep up with his car! All other converters he tried came apart under the pressure that his speed machine put them under.
Slingshot took up the challenge and after spending some careful time in R&D, came up with a perfect solution that has vasty improved the vehicle's performance.
Before coming to Slingshot
¼ mile drag in 9.4sec,
After Slingshot solution:
He now has the quickest V6 in the world!
¼ mile drag in 7.91sec!
Unit 2, 114 Gilba Rd
Girraween, NSW 2145
Mon -Fri 7:30am - 4:30pm
Ph. 1300 916 301
Fax (02) 9896 2472