Davis Technologies 32 Tooth Drive Shaft RPM Ring


32 Tooth Driveshaft Collar


Davis Technologies’ 32 Tooth Drive Shaft RPM Ring provides extremely high resolution drive shaft rpm data to Davis Technologies products as well as Data & EFI Systems. Tested on Racepak, Holley, FuelTech and MSD to 13,000+ RPM. (Davis Technologies Hall Effect Sensor may be required – please contact us before purchasing) 

Their 32 tooth DSRPM rings are the only rings on the market with 32 triggers, providing unparalleled resolution, speed and accuracy. Utilizing 32 precision machined teeth instead of magnets provides a very precise trigger on the edge of the trigger as opposed to a variable magnetic field.

Select size from drop-down menu above.

Additional information

Collar Size

1”, 1.375”, 1.50”, 1.625”, 1.75", 1.812”, 1.875", 2”, 2.125”, 2.187”, 2.25”, 2.375”, 2.50”


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