Good fuel pump
You can use automotive grade fuel pumps from AutoZone or where ever but you will need to tune it properly for the ideal flow rate and pressure. A potentiometer will work to control the pump loading if you go the other route.
Part number: 3-15760nos
Manufacturer:NOS by Holley
Distributors: Summit, Jeg's, MPS, Orient Express, Schnitz, ...
170 psi isn't too much. I will try to address the rest in awhile...Pizza Hut delivery car just pulled up with dinner.