Holley EFI Flying Magnet Crank Trigger Kit - 7 in Balancer - Small Block Chevy AIR57580 Does not have a silicone

Does not have a silicone embossed beadSince 1938

625" maximum lift springs

this dual-plane intake is designed for the street rod

With proven designs that exceed the industry standards

1955-86 SB Chevy 265-350 (Pr

Holley EFI Flying Magnet Crank Trigger Kit - 7 in Balancer - Small Block Chevy AIR57580 Does not have a siliconeUpgrading to an MSD Flying Magnet Crank Trigger 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