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Jks Arms

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3. The adjustability of the JKS arms makes it easy to dial in the caster and pinion angle. The arms don't lock so they will turn and rotate with the vehicle for better articulation and suspension movement. The rubber bushings absorb road vibration and movement for a quiet and comfortable ride. The greaseable control arm is protected internally by a spring-loaded crankshaft type seal which keeps the arms from being contaminated.