MSD Crank Trigger Kit - Flying Magnet - Hall Effect - GM LS w/6.56 Diameter Wheel L202173 5 to 3 in ID

5 to 3 in ID

ECM Calibration Select Switch

Single 3 in Tube

Washable and reusable for multiple cleaning cycles

Performer 351W

MSD Crank Trigger Kit - Flying Magnet - Hall Effect - GM LS w/6.56 Diameter Wheel L202173 5 to 3 in IDOn some vehicles the MSD Crank Trigger Kit may require slight modifications. This kit is designed to be used with the ATI Harmonic Balancer 917776 or 917215. This kit is also compatible with Meziere water pump WP333 and LSX Blocks. Powerful magnets embedded in a 3 8" thick billet 6061 T6 aluminum trigger wheel 3 wire Hall Effect Sensor that is not easily susceptible to EMI RFI Interference Allows precise indexing by utilizing the 10 degree range on