The 83710 is a stock OE replacement cam/bolt kit for the popular 4WD Chevy S-10/Blazer and GMC Sonoma/Jimmy. Adjust /-1.50 degree camber and caster with this simple to use set-up. Front Adjustment Range: Camber /-1.50, Caster /-1.50 Installation time: 0.5 hr./side Required: 1 per wheel.