MSD - Chrysler Big Block 426, 440 Cam Sync Plug

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MSD's cam sync plugs are the perfect solution when running an aftermarket sequential EFI system with coil-per-cylinder ignition. The cam sync plug installs in place of a traditiona l distributor, providing a hall-effect cam sync signal needed for the EFI system to reference the # 1 cylinder. MSD's cam syncs are plug and play with Holley EFI systems and can easily interface with most aftermarket EFI systems. Show more