Bring your big-block Chrysler or hemi into the modern era with MSD cam sync plugs. These plugs bolt in place of a conventional distributor and allow your engine to run modern, coil-near-plug ignition and sequential port fuel injection. These are completely plug and play with Holley EFI systems, but can easily interface with most other aftermarket EFI systems. Learn more: https://www.holley.com/products/ignition/distributors/cam_sync/parts/85231 | MSD Performance

MSD Ignitions have won thousands of championships and are built specifically to handle the harsh conditions that circle track racing demands. Hit that HD button and watch the full video below to help us help you! https://www.holley.com/blog/post/how_to_choose_a_circle_track_ignition/ | MSD Performance