The Load Pro 35 kit is designed for full sized pickup trucks, vans, RVs, and sport utility vehicles. The kit contains 2 heavy duty leaf assemblies that run over both sides of the axle. * Necessary Mounting Hardware Included or Listed Above Hellwig's steel leaf helper springs are ideal for helping manage your load more efficiently. They are simple to install bolting on to your new or old factory rear leaf springs and require little or no maintenance.
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EASY TO INSTALL HAVE NOT HAD TO ADJUST COULD NOT TORQUE AS SPECAFIED.WOULD HAVE MADE TRUCK TO STIFF KEEPS THE TRUCK RIDING LEVEL WHEN HALLING A 9000 LB FIFTH WHEEL RIDES TERRABLE WITHOUT A LOAD BUT THIS IS TO BE EXPECTED
The springs went right on and are great.the ride empty is good also.
I drive a 98 dodge ram 2500 4x4, with a fully enclosed utility bed, formerly a telecom truck. The rear springs were sagging so bad I was having trouble seeing over the hood. I installed helwigs #3520 progressive helper springs. The install went very smooth. My truck was sitting nearly level. The next evening I 're adjusted it has been sitting level ever since. Well worth the money