Does anyone know if the below would work with a 2020 4WD Big Horn? Looking at the 1/2" rear spacer. It says they work up to a 2018 RAM.
mcbayperformance.com

1/2" up to 3" Rear Coil Spring Spacer Lift Set for Passenger Cars, Trucks & SUV's
Easily lift the rear of your 1977-1996 Buick, Cadillac, Chevrolet, Ford, Mercury, Lincoln, Oldsmobile & Pontiac with this rear coil spring spacer lift set. Made in USA by McBay Performance. Part Numbers: MP1626 MP1627 MP1628 MP1629 MP1630 MP1631