Performance Alignment Kit – adds +/- 0.5deg caster – MOTORSPORT, MOTORSPORT ONLY – KCA375M is designed to add +/- 0.5 degree static caster to both front wheels. The special low compliance bushings reduce caster wind-back and maintain tighter tolerances between static and dynamic alignment settings. The additional caster coupled with the firmer bushings serve to dramatically sharpen initial turn-in response – forcing more consistent alignment angles through the corner due to the reduced bush compliance., 3 Year / 60,000Kms