Fits 2006-2013 C6 Corvette Z06s;Fits 2009-2013 C6 Corvette ZR1s;Includes BMR's Stud Kit (WAK561) and Camber Bolt Kit (WAK562);Heavy-duty aluminum shims and laser-etched camber lockout plates;Features Grade 8 and 10.9 hardware for the ultimate in strength;Replaces the factory front and rear upper control arm bolts with studs to prevent wear on the frame from alignment changes;Replaces the factory eccentric cams on the front and rear lower control arms with lockout plates to prevent changes in alignment on the street and track;Eliminates wear on the upper control arm frame inserts;Allows for camber adjustments from -2.1 to +1 degrees;Improves alignment adjustability;Increases suspension control;Available bare and black anodized for a durable finish;3-4 hour installation time;Proudly designed in the USA!;Proudly made in the USA!