This listing is for a COMPLETE MSD Ignition System for your early Big Block Chevy! Included is an MSD Digital 6A-L Ignition Box (6425), Pro-Billet Distributor (85551), 8.5mm Super Conductor Wire Set (35379), Blaster 2 Ignition Coil (8202), and an MSD Coil bracket (8213). We've put together a complete kit to take the guess work out of choosing the right components for your performance early big block Chevy! 085132855513 085132082025 085132353798 085132082131 085132064250. MSD started with a clean slate and drew up plans for an all new housing. They kept the same footprint as the ...