Ford 289 302 Crab Cap Distributor Low Profile, Magnetic Pickup Distributor Ideal For Clearing Blower Snouts, And For Any Application Where Height Is Critical MSD IgnitionFord crab cap distributors are built on the proven foundation of the MSD Pro Billet distributor line. They rely on MSD's race proven magnetic pickup and precision reluctor to deliver accurate trigger signals to the MSD Ignition throughout high rpm. The reluctor assembly is turned by a hardened steel shaft which rides in a sealed ball bearing for high rpm stability and endurance. Mounted to the top of this shaft is a fully adjustable mechanical advance