You are right.

2019 original rating

430 HP / 475 Torque

2022 Rating

335 HP / 438 Torque from 455 cubic inches in an engine with Variable Valve Timing.

Ford must have limited the higher RPM power with the engine controller and VVT to keep something from breaking or overheating?

F.O.R.D - fix /or /rerate /downward

https://www.ford.com/commercial-trucks/chassis-cab/features/power/

Pickups still rated higher

https://media.ford.com/content/dam/...y/2023%20Super%20Duty%20Tech%20Specs.pdf