Davis 32T Driveshaft Split CollarDavis Technologies 32 tooth split collars are the only collars 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. 32 Triggers Extreme Accuracy Precision Machined Available in various diameters. Compatible with the following ECUs: FT600 FT550 FT500 FT500LITE