Brand New Detroit Speed Control Arm & Spindle Kit (Part #030105DS). 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 powder coat 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 powder coat finish. Compatibility: Buick: 1967-1972 Skylark Chevrolet: 1967-1972 Chevelle 1967-1972 El Camino 1970-1972 Monte Carlo GMC: 1971-1972 Sprint Pontiac: 1967-1972 GTO 1967-1972 Lemans 1967-1970 Tempest Oldsmobile: 1967-1972 Cutlass 1967-1972 Cutlass Supreme 1967-1971 442 1967-1972 Vista Cruiser Includes: Tubular Upper Control Arms Tubular Lower Control Arms Detroit Speed Forged 2" Drop Spindles You can view and download the assembly/instruction booklet here.