HEI All in one

If I may be so bold as to suggest ? the GM HEI dizzys are too big to fit in a-bodies . Trucks are o.k. Petronix Ignitor II is my suggestion along with their coil . The factory dizzy is o.k. but most are 40+ years old and worn out . the bushings are worn and the shaft has way too much end play. The PETRONIX eliminates the ballast resistor and has adjustments inside to limit advance . The cap and rotor are off the shelf GM parts available everywhere . Vacuum advance is adjustable too .