Holley EFI Crank Trigger Kit - BB Chevy Speedo CRB 279T H-107 T THUMPRThe

CRB 279T H-107 T THUMPRThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Bent tubes are angled forward to mount the front wing forward

1975-1986 Chevrolet K5 Blazer

Used by many of the top Modified and Late Model race teams and engine builders across the U

2-Piece Cork Gasket

Holley EFI Crank Trigger Kit - BB Chevy Speedo CRB 279T H-107 T THUMPRTheHolley'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"_x009d_ Crank trigger. It is designed for use on early model BBC Chevy applications using a standard ATI or Fluidamper "style"_x009d_ balancer up to 7 1 4"_x009d_