I replaced my points distrubitor and coil with a $90 HEI off of E-bay. Very close to the one in your pic. Rated at 50k volts. Up graded to 8mm wires for around $30. So for about $120 complete new inginition. Very easy install.
1967 Firebird: 326ci, Holley 670cfm street avenger, RPM intake, Headmann headers, HEI