SPC Performance

Pro Series Ball Joint plates complete your adjustable control arm along with O.E. style ball joints (sold separately). This Right Hand ball joint plate is bent at a 20deg angle and uses a Midsize GM...

Adjustable Upper Control Arm with 3-3/4" adjusting sleeves, GM Midsize Metric ball joint plate and rod ends for mounting to vehicle. California Residents WARNINGInstallation Instructions

Adjustable upper control arm includes 6-15/16" steel shaft. 7" to 9" sleeves and metric plate. California Residents WARNINGInstallation Instructions

Adjustable upper control arm includes 6-15/16" steel shaft, 5" adjusting sleeves and metric plate. California Residents WARNINGInstallation Instructions

Adjustable upper control arm includes 7-3/4" steel shaft, 3-3/4" adjustment sleeves and metric plate. California Residents WARNINGInstallation Instructions

Adjustable upper control arm includes 7-3/4" steel shaft, 5" adjustment sleeves and metric plate. California Residents WARNINGInstallation Instructions

GM's late-model mid-sized 4WD's have very little clearance to adjust the camber and caster with the OE adjusting cams. These specially designed adjusters replace the OE adjusters, and feature a 3/8"...

Change Toe or Camber +-1deg on the rear of GM's Theta Platform vehicles with this cam nut. Make the adjustment you need easy by installing this cam nut on the toe link's bolt and then driving the...

Make rear wheel alignment changes on these twist beam axles with SPC's stackable fixed change shims. Change camber in +-.25deg increments and toe in +-.10deg increments. Combine a toe shim with a...

Direct positive camber change in .25deg increment is made quickly and accurately with this shim. Combine this camber shim with a toe shim (71051-71055)to get the exact camber and toe change that is...

Direct positive camber change in .50deg increment is made quickly and accurately with this shim. Combine this camber shim with a toe shim (71051-71055)to get the exact camber and toe change that is...

Make rear wheel alignment changes on these twist beam axles with SPC's stackable fixed change shims. Change camber in +-.25deg increments and toe in +-.10deg increments. Combine a toe shim with a...

Direct negative camber change in -.25deg increment is made quickly and accurately with this shim. Combine this camber shim with a toe shim (71051-71055)to get the exact camber and toe change that is...

Direct negative camber change in -.50deg increment is made quickly and accurately with this shim. Combine this camber shim with a toe shim (71051-71055)to get the exact camber and toe change that is...

Make rear wheel alignment changes on these twist beam axles with SPC's stackable fixed change shims. Change camber in +-.25deg increments and toe in +-.10deg increments. Combine a toe shim with a...