Amazon.com: Lippert Trailer Axle Attaching Parts (AP) Suspension Kit for 2,000-7,000-lb. Double-Eye Tandem Axles - Standard Equalizer, Standard Bolts, 121097 : Automotive
Shop Lippert 10,000-lb. Spring Tandem Trailer Axles (Set of 2, 5,000 lbs. Each) - Straight Spindle, Electric Brakes, 85/70, 6-Lug