EFI Crank Trigger Kit - 556-113 no-abs Holds RPM up for A/C

Holds RPM up for A/C equipped vehicles

Ideal for classes that require cast iron heads that require an unported intake manifold

Glasspack mufflers may be used with slight modifications

Part Number: 817709

The EFI modules are available with single 255 LPH and 450 LPH fuel pumps

EFI Crank Trigger Kit - 556-113 no-abs Holds RPM up for A/COverview: 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 BBC Chevy applications using a standard ATI or Fluidamper "style" balancer up to 7 1 4" in