318 hard parts suggestions

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Hello! I was wondering on build advice when it comes to a 318 I own.

I purchased a 360 intake and am looking for a 4 barrel carb (open to suggestions)

As far as parts I have two options for push rods
Stock length 7.5in vs shorter 7.380in
Which would be better for a camshaft with 285/285 duration .480/.480 lift

As well as the rocker arm set up. After everything between valves and springs should I keep stock style arms with the 1.5 ratio?
Or would a 1.6 ratio be better?

Lastly bearings are not listed but to be ordered. Rods will be reused with new pistons/rings/pins. Or is there a better rod suggestion