The overall dimensions of the # 3W-461-545-SSL-EP is 3-3/8" wide by 4-3/8" tall. The mounting holes at the top are 2-13/16" apart (green), the holes from top to bottom are 2-15/16" apart (blue line) and the bottom holes are 1-7/8" apart (yellow). view full answer...
For your 2017 Ram 1500, I recommend the Air Lift LoadLifter 5000 Air Helper Springs - Rear Axle # AL57365 which will give you the load leveling support you desire as well as the adjustability of 5 to 100 psi for the best ride quality. This kit comes with the manual inflation valves and will allow you to adjust each spring individually. This product requires at least 8-1/8 inches between the frame and the jounce bumper strike plate.
A really nice alternative is the Air Lift AirLift 1000... view full answer...