This 3/8 Inch-24 Fine Thread Sensor Is Triggered by Steel Commonly Used for Drive Shaft (Ring Gear) RPM or Front Wheel RPM Racepak

This Stainless Steel 5/16 Inch Fine Thread Driveshaft Sensor Is Triggered by Magnets and Features a 3-pin Molex Connector Racepak

This Plastic 5/16 Inch Fine Thread Driveshaft Sensor Is Triggered by Magnets Features a 2-pin Molex Connector Racepak

This 3/8 Inch Fine Thread Sensor Is Used to Pick up Top Dead Center (TDC) on the Front Hub of the Engine Racepak