EFI Crank Trigger Kit - 556-116 1Inventory 1x Vapor Line (1/4")

1x Vapor Line (1/4")

1x Brass Elbow

These drop in modules come with one controller and harness to give you VR fuel pump power inside your fuel cell

4L V8 1997 - 2000 Chevrolet C3500HD 454/7

NOTE: If you have a 429 Cobra Jet with a Holley Carb please see Part Number ZPC7003SS

EFI Crank Trigger Kit - 556-116 1Inventory 1x Vapor Line (1/4")Overview: Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45 degrees for a standard 4 Magnet, MSD "style" Crank trigger. It is designed for use on early model small block Chevy applications using a standard ATI or Fluidamper "style" balancer up to 7 1 4" in