Rotor Delco | United Ignition 430 Delco Rotor | United Ignition 430 Rotor fits 4 cylinder & inline 6 cylinder Delco single point marine distributors. Fits Delco 4 and 6 cylinder marine distributors with conventional ignitions Replaces OMC 384735 Replaces Mercury 58217, 58217Q, 898253008, & 8M6001251 Replaces Universal 288702