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Hosted by SPC Performance. Follow the maker's instructions and torque specs.
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This unique, patented design provides the most adjustability and best clearance of any arm available for the classic Tri-Five Chevy applications. Sold as a pair, these forged steel adjustable arms come with ball studs that are 1/2" taller than stock to improve camber curve. Dial in some caster combined with t he ability to adjust camber, yields a truly 'modern' feeling suspension. The ball joints are greaseable and fully rebuildable. Additionally, OE length and 1/4" extended studs are also available to fine tune ride characteristics and maximize specific suspension geometry. Consider combining upper control arms with available lower control arms to complete the transformation of any Pro Touring, Track Ready, or daily driven street use American Muscle car. Sold as pairs. US Patent No. 9,751,370.
This unique, patented design provides the most adjustability and best clearance of any arm available for the classic Tri-Five Chevy applications. Sold as a pair, these forged steel adjustable arms come with ball studs that are 1/2" taller than stock to improve camber curve. Dial in some caster combined with the ability to adjust camber, yields a truly 'modern' feeling suspension. The ball joints are greaseable and fully rebuildable. Additionally, OE length and 1/4" extended studs are also available to fine tune ride characteristics and maximize specific suspension geometry. Consider combining upper control arms with available lower control arms to complete the transformation of any Pro Touring, Track Ready, or daily driven street use American Muscle car. Sold as pairs. US Patent No. 9,751,370.
Use this patented design with the most adjustability and best clearance of any arm on the market to modernize the front suspension on your classic Chevy. SPC uses a 1/2" extended ball stud to improve camber curve, now adjust in some caster and a bit of camber and enjoy the drive. The fully rebuildable and greasable ball joints can also be customized for you ride with available OE length and 1/4" extended studs. Sold as pairs. US Patent No. 9,751,370 California Residents WARNING
TRI-5 ADJ CONTROL ARM PAIR
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The maker's installation guide is on this page — see Installation guide under the part details for the step-by-step and the torque figures. Work on level ground with the car properly supported, and torque every fastener to the maker's figure. If the job is beyond your tools, any shop that does this kind of work can fit it.
Yes, every time a control arm is replaced: its ball joint and bushings set camber and toe.
Usually, when the arm is a complete assembly; the Part details and the maker's guide say what is included.
A lowered or lifted car pushes camber outside the stock range; adjustable arms bring it back so the tires wear evenly.
Replace both sides when the car is lowered or lifted so both corners adjust the same way. A single worn arm can be replaced on its own.
Torque the bushing bolts with the car at ride height, not hanging on a lift, or the bushings bind and wear early.
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