ned parts for 337

[Sam]

Hi,We have Cessna 1966 337 A aircraft.
Front engine: IO360C5B S/N: 060711R
Rear engine: IO360D5B S/N: 62806R Below is a list of Cessna part names and numbers. But I want to replace them with digital instruments from you.
Cessna list

2EA 6246-00667 GAGE FUEL
2EA 7740-00438 TANK UNIT
2EA 7740-00408 TANK UNIT
2EA 6246-00668 GAGE FUEL
2EA 7740-00410 TANK UNIT
2EA SK337-62 KIT CHT
2EA 2646-00089 GAGE PRESS
2EA SK337-60 GAUGE- OIL TEMP.
1EA 6246-00664 VOLTMETER
1EA 6246-00665 AMMETER
1EA SK337-56A2 BACKPLATE

Please let me know which parts I need to buy from you as a compelete package ?
Thank you and best regards