MSD Ford Small Block Hall-Effect Crank Trigger Kit - 86401 flowtech 7 V8 1979 - 1985

7 V8 1979 - 1985 GMC G1500 305/5 V8 1975 - 1976 GMC G25 Rally 400/6

7 V8 1977 - 1978 GMC C25 305/5 V8 1979 - 1995 GMC C2500 350/5

and the Hurst names on the sides

3 V8 2020 Ford F-550 Super Duty 445/7

MSD Ford Small Block Hall-Effect Crank Trigger Kit - 86401 flowtech 7 V8 1979 - 1985Overview: The MSD Flying Magnet Crank trigger is now available with a Hall Effect sensor making it the most accurate way to trigger your EFI. The kit installs easily and uses rigid aluminum mounting bracketry and hardware that will not flex and cause timing fluctuations. Powerful magnets are embedded in a 3 8" thick aluminum trigger wheel that will send your EFI a clean signal for every firing. Features: Application: Year Make Model Submodel Engine