Holley EFI Flying Magnet Crank Trigger Kit - 8 in Balancer - Big Block Chevy H753C4452 1967-1974 Mercury Marquis

1967-1974 Mercury Marquis

This bolt-on DOR (Dual Out Rear) emissions-legal system features a pair of specially tuned resonator/mufflers and pipes for maximum performance

UMB Floating Training Arm Bracket

3/8" High EnergyThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Small Block Chevy / GM W-Series

Holley EFI Flying Magnet Crank Trigger Kit - 8 in Balancer - Big Block Chevy H753C4452 1967-1974 Mercury MarquisUpgrading 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