I would be happy to. Since your 2019 Heartland RV Landmark has 8,000 lbs axles you will need the Kodiak Disc Brake Kit item # K2HR89DD. These will replace the hubs and drums you have with rotors and hubs. The mounting brackets will attach to the flanges you already have. These are dacromet-plated rotors that have a 8 on 6-1/2 bolt pattern. You will need one set per axle.
For an actuator, brake lines, and a breakaway kit you will want the Hydrastar Electric Over Hydraulic Actuator Kit... view full answer...
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