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Adjustable Bump Stop

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The JKS adjustable bumpstops come with a 3/4-, 1 1/4-, and 2-inch bumpstop spacers. With the front Bilstein (PN PN F4-BE5-6241-H5) installed, Miller settled on the midsized 1 1/4-inch spacer and the factory bumpstop in lieu of the Fabtech-supplied poly bumpstop. This setup allowed the most compression of the 4-inch lift shock and provides insane droop of the front axle.