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5 to 8 psi
Application Universal Brand Holley EFI Emission Code 4 Product Type Hall Effect Cam Sync
Designed for use with the Holley® HP™ in-line fuel pumps or other high pressure electric pumps where return line is needed
9 V8 1957 Plymouth Belvedere 277/4
3 V8 1956 - 1959 GMC 350-8 322/5
Chevy SB/BB CAM Sync Plug - 85141 efi-kits 5 to 8 psiOverview: 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 traditional distributor, providing a hall effect cam sync signal needed for the EFI system to reference the # 1 cylinder. For wet sump applications, the plug also drives the oil pump. MSD's cam syncs are plug and play with Holley EFI systems and can easily interface with
