Description

Fine-tuning your suspension geometry requires precise caster adjustment, and the Joes A-Arm Slug-O delivers exactly that with repeatable, accurate positioning. This aluminum slug installs into Joes slotted upper control arms to dial in caster angles without the guesswork, giving you the cornering stability and steering response your setup demands. Whether you’re chasing lap times or dialing in a street car, getting caster right separates a composed chassis from one that fights you.