SPC Performance

Designed to be easily adjusted with a 3/8" drive breaker bar , this cam makes the previously difficult to align 2003 and up GMC Savana and Chevy Express Vans a snap. Simply replace the OE cam on the...

This wrench makes it easy to adjust the upper control arm cams on Chevy Express and GMC Savana vans. The tool surround surrounds the entire perimeter of each cam to provide a solid no slip means to...

Pro Series Ball Joint plates complete your adjustable control arm along with O.E. style ball joints (sold separately). This ball joint plate is flat at 0deg and uses the Full Size GM bolt in ball...

Adjustable Upper Control Arm with 3-3/4" adjusting sleeves, GM Full Size ball joint plate and rod ends for mounting to vehicle. California Residents WARNING

Adjustable Upper Control Arm with 5" adjusting sleeves, GM Full Size ball joint plate and rod ends for mounting to vehicle. California Residents WARNING

Adjustable Upper Control Arm with 6" steel cross shaft, 3-3/4" adjusting sleeves and a Full Size GM ball joint plate. Sleeves adjust from 7" to 9". California Residents WARNING

Adjustable Upper Control Arm with 6" steel cross shaft, 5" adjusting sleeves and a Full Size GM ball joint plate. Sleeves adjust from 8-1/4" to 10". California Residents WARNING

Adjustable Upper Control Arm with 6" aluminum cross shaft, 3-3/4" adjusting sleeves and a Full Size GM ball joint plate. Sleeves adjust from 7" to 9". California Residents WARNING

Adjustable upper control arm includes 6" aluminum cross shaft, 8-1/4" to 10" adjustment sleeves and fullsize GM plate. California Residents WARNING

This wrench makes it easy to adjust the control arm cams on many modern GM and Chevy HD Trucks. The tool surrounds the entire perimeter of each cam to provide a no slip means to reach the...

GM's HiPer strut has been released on several Buicks and Cadillacs. To adjust front camber you must adjust a cam bolt on knuckle assembly. However, GM is using torque-to-yield bolts which require...

Product appearance and features may vary in the market as design changes, improvements and modifications are implemented.

Aligning these trucks can be difficult because it is impossible to access the head of the cam bolt to adjust alignment angles. This special grooved socket fits over the end of the bolt allowing the...

This lock plate is designed to keep the front alignment angles in position by replacing the existing slotted cam. For newer models of GMC's 1500, 2500 and 3500 vehicles. California Residents WARNING

Product appearance and features may vary in the market as design changes, improvements and modifications are implemented.

Pro Series Ball Joint plates complete your adjustable control arm along with O.E. style ball joints (sold separately). This ball joint plate is flat at a 0deg and uses a Midsize Metric GM bolt in...

Ball Joint Spacers raise the arm to improve frame clearance. Three 1/4" spacers and hardware. California Residents WARNING

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

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 WARNING

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

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

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

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

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"...

These heavy duty offset ball joints have a built in 3 degree offset which can be clocked to affect camber, caster, or both. They are ideal for vehicles which cannot be aligned properly with the...

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...

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...

Use this pair (2) of cam bolts to double the adjustment range for rear camber and toe on GM's Epsilon platform. The OE cams only give one degree of change, this is often not enough camber and you may...

Replace the factory torque-to-yield (TTY) rear camber bolts on GM's Epsilon II platform with these hex chromate free 700 hour salt spray tested cam bolts from SPC. GM's hardware TTY and needs to be...

Replace the factory torque-to-yield (TTY) rear camber and toe bolts on GM's Epsilon II platform with these hex chromate free 700 salt spray tested cam bolts from SPC. GM's hardware is TTY and needs...

This full contact rear series of 18 shims includes 2 toe shims each (+- .10deg,+- .20deg,+- .30deg,+- .40deg,+- .50deg) and 2 camber shims each (+ .25deg, + .50deg,- .25deg,- .50deg) for rear wheel...

This full contact rear series of 18 shims includes 2 toe shims each (+- .10deg, +-.20deg, +-.30deg, +-.40deg, +- .50deg) and 2 camber shims each (+ .25deg, + .50deg- .25deg, - .50deg) for rear wheel...