Metal Tech 4×4 after a year of testing has finally released our custom rear long travel suspension for the GX470/GX460. Metal Tech 4×4 designed a unique progressive rate spring that has a free height of 19 1/4″ while still maintaining a 3″ lift with little or no weight. The bottom half the coil is rated at 300lbs of spring rate and the upper portion is at 104lbs of spring rate. With this combination the spring can stay in it’s compressed position at ride height and expand out to it’s full free height on down travel.
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