Power Valve Selection

The car is a 70 charger, 440, 727, 3.55 rear. The cam is the Comp Cams XE274H-10. Running stock heads, intake, exhaust. The carb is a 750 Holley with vacuum secondaries, 64 jets, and currently an 8.5 pv.
Do you have the list number from the choke horn? .