SPC Performance

This pair of patent pending adjustable front upper control arms will give +-4deg camber and +-4deg caster change. SPC arms match the OE design for clearance so you can maximize camber change without...

Replace bent, damaged, or lost factory guide pins with these heavy duty knurled pins from SPC and your slotted cam will work like it should again. Every tech needs to have these easy to use pins on...

Many techs find that once the plastic retainer is removed from the original equipment cam on GM trucks, the adjustment won't hold. These lock plates are designed to provide a mechanical lock for the...

Designed, engineered, tested, and assembled in Colorado, SPC Performance adjustable upper control arms are loaded with impressive features. Improve suspension travel, handling, and tire wear while...

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

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 WARNINGInstallation Instructions

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

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 WARNINGInstallation...

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 WARNINGInstallation...