For Gen Iii And Iv Ls 8-Inch 12-1X Crank Kit, Ls, Hall Effect-556-174 High Margin 5L V8 1968 - 1976

5L V8 1968 - 1976 Ford F-350 Base 390/6

Chevrolet C10 (1978)

9 V8 1975 - 1977 Plymouth Gran Fury 1957 - 1978 Plymouth Fury 318/5

9L V8 1971 - 1976 American Motors Matador 304/5L V8 1961 - 1971 Ford Country Squire 390/6

For Gen Iii And Iv Ls 8-Inch 12-1X Crank Kit, Ls, Hall Effect-556-174 High Margin 5L V8 1968 - 1976Upgrading to an MSD Flying Magnet Crank Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone engine management system ignition controller). At the heart of the kit is the 3 wire Hall Effect Sensor that is easier to set up, less susceptible to EMI RFI interference noise, and less likely to have false signals