Chevy SB/BB Tall Block Cam Sync Plug - 85142 tunnel-patches ) 31 Substrate Material Ceramic

) 31 Substrate Material Ceramic Air Tube Adaptable No Converter Quantity 1 Inlet Attachment Bolt-On Main Piping Diameter 2

or exiting straight out the back under the rear bumper for a muscular look

17/8 V 1970 - 1974 American Motors Hornet U/K/8 V 1970 - 1977 American Motors Hornet 3

OEM - 22163531

Chevy SB/BB Tall Block Cam Sync Plug - 85142 tunnel-patches ) 31 Substrate Material CeramicOverview: 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. MSD's cam sync is a plug and play with Holley EFI systems and can easily interface with most aftermarket EFI systems. The cam sync plug will have 2 3 4"