Detroit Speed's exclusive control arm and spindle kit is designed to work as an integrated system on your vehicle. The Detroit Speed spindle is 1-1/2" taller than the stock spindle and provides 2" of drop from stock height. The taller spindle height improves handling by modifying the camber curve resulting in a negative camber gain during suspension compression. The stock steer arms mount in the optimal location to minimize bump steer.Detroit Speed's A-Body tubular upper control arms provide increased strength and additional positive caster. They feature five axis laser cut tube ends and ball joint pockets for a precise fit. The upper control arms are TIG welded in fixtures to guarantee geometric accuracy and repeatability. They have Delrin™ bushings, new ball joints, and a gloss black powdercoat finish.The Detroit Speed A-Body lower control arms feature a robust tubular design with gussets and a cross brace. They feature five axis laser cut tube ends and ball joint pockets for a precise fit. The lower control arms are TIG welded in fixtures to guarantee geometric accuracy and repeatability. They have Delrin™ bushings with steel housings and crush tubes, new ball joints, and a gloss black powdercoat finish.