High Lifter Spring Adapter Plates Polaris For the installation of High Lifter springs on Polaris models from 2011-2014, this kit is indispensable. Specifically designed for models with the redesigned stamped steel spring adjustment collar, it replaces the older style aluminum adjust collar. Features: Replaces steeladjustment collar to aluminum adjustment collar on coil springs Works on front or rear springs Sold in pairs (one adapter ring required per coil spring) Order two sets when upgrading both front and rear springs together