Dragon Fire High Performance Race Series Complete HEI Electronic Ignition Distributor Compatible Replacement For Dodge Plymouth and Chrysler Big Block 413 426 440 V8 Oem Fit DDBB-DF Manufacturer: AIP Electronics Model DRAGONFIRE 100% New Construction Simple one wire Hook up. 65K volt coil adjustable vacuum canister bronze bushing corrosion resistant shaft heavy duty drive gear brass terminals precision advance weights. 65% more energy with 42% faster spark breakdown time compared to other HEI's.