Ford 351W Sync Plug MSD'S Cam Sync Plugs Install In Place Of A Traditional Distributor To Drive The Oil Pump And Provide A Cam Sync Signal When Running A Holley Efi, Or Other Aftermarket Sequential EFI System Requiring A Cam Sync Signal MSD Ignition

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.