Improve your handling and tracking with these new tubular arms and lower your front end by 1 and add 1 degree positive caster for an aggressive, ready - to - run stance. Optional Coilover MountSpacer Kits are available for use with our Pro Series Springs or 'standard type' springs to raise the ride height if desired (9533295338). To complete your arm you can also add an OEM style bump stop (95339). California Residents WARNING