Dragon Fire High Performance Race Series Complete HEI Electronic Ignition Distributor Compatible Replacement For 1987-1993 Cadillac Allante Deville Eldorado Fleetwood Seville 4.9L 4.5L 4.1L V8 Oem Fi Manufacturer: AIP Electronics Model DRAGONFIRE 100% New Construction Electronic tach hookup to run your stock tachometer. 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.