What Axle Capacity Leaf Spring to Increase Spring Capacity of 2018 Keystone Raptor 353TS

Published 07/13/2023

Question:

I have a 2018 keystone raptor 353ts. It has 2 7000 pound axles under it. The springs are going flat. My question is I want to put little heavier sring to prevent this again. So if my math is right 4500x4 18,000. Is that correct of how Im reading the info on springs

asked by: Matt A

Expert Reply:

Our trailer leaf springs are listed by the axle capacity so since you have 7k axles you would need springs like the 8k axle springs part # DX74XR since you are wanting to increase the spring rate a bit. These are 24-7/8 inch in length and only option in this capacity. If you have a different length spring currently you would need to move the hangers.

expert reply by: Jameson C