Caspers electronics 58401-s prom chip?

[85t-typebuick]

I was thinking about installing this on my 85 hot air Buick, and was wondering if this is a good chip?

 

[buickGN3:16]

make sure it matches your injector size

 

[85t-typebuick]

make sure it matches your injector size

The guy said who has it, it's written on the box 28-30 lbs?
Would I need different injectors or is that what stock ones are