Distributor advice

I have this same distributor in my 340 and it is the best I have used. The price is high as they are discontinued but man do they work. They make an advance limiting plate for them so you can dial it in exactly where you want it. Bought mine new 25 or years ago for a 440 in the box at a swap meet and never used it. And I decided to check the part number before listing it for sale, when I found out it was a small block in my 340 it went
Mopar 340 / 360 / 318 RACE electronic Mopar distributor with tach drive | eBay