A shock kit will help quite a bit to smooth out the ride quality in your 2007 Keystone Cougar 5th wheel model 276RLS. You'll need to measure the diameter of your axles to know which kit you'll need.
If you have 2-3/8 inch axles which are typically 3,500 lb axles you'd need the # LC281255 of if you have 3 inch diameter axles like most 5,200-7k axles you'd need the part # LC281281. view full answer...