K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N Filtercharger® elements providing a superior air filtration system. When used as directed, it quickly penetrates the filter pleats, where it remains suspended in the cotton fabric.
Bumpstops are used to prevent over-flexing of leaf springs and shocks. Bumpstops can be bolted or welded in place. We recommend welding bumpstops to top of the u-bolt flip kit plate. Bumpstops are 2" wide by 5 1/4" long by 2 1/4" tall