Sure-Shift Automatics are the performance transmission specialist.
Improve your vehicle's performance (& race times) with faster, smoother shifts through Sure-Shift modifications.
We specialize in 6L80e upgrades (please read more in 'performance products').
Our rebuilt, modified 4L60e & 4L65e transmissions are extremely durable & handle up to 500HP.
We build transmissions to suit your aspirated, blown or turbo-charged vehicle.
We supply all race components, shifters, shift-kits, manual valve bodies, servos & hi-performance parts.
We supply & fit hi-stall torque converters to suit your application.
Please view our hi-performance gallery