Data is one of the most important parts of drag racing, and drive shaft RPM is one of the most important pieces of data that helps the user understand what their car is doing.  Our DSRPM rings are the most accurate available, giving the user an unprecedented level of detail.  We offer both 8 trigger and High Resolution 32 trigger versions.  Available in the most popular sizes and even 1" ID blanks that the user can bore to fit.

Click Here For 32 Trigger Ring Info

Provides extremely high resolution drive shaft rpm to Davis Technologies products as well as Data Systems & EFI Systems.

Click Here For 8 Trigger Ring Info

Provides accurate drive shaft rpm to Davis Technologies products as well as Data Systems & EFI Systems.

Limited Availability

Davis Profiler and TC3 Series MUST use DAV-003 or DAV-004 sensors. These are specifically designed to trigger the High Resolution input of the Davis units when using 32T ring.

Most EFI systems can use the DAV-001 if no Davis unit present.

NOTE: All sensors are 3/8"-24 thread, Ultra Case will need to be drilled and tapped.

Made In USA