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QA1 GM Race Control Arms
QA1's GM Race control arms utilize their low-friction ball joints and low-friction, low-deflection pivot bushings, providing the added performance needed for drag racing, pro-touring, and hardcore street applications. The arms feature powdercoated tubular construction for increased strength and great looks and come configured for QA1 Pro Coil Systems. A bolt-in spring adapter is available separately to allow the control arms to be used with stock springs. All QA1 upper arms feature an offset cross shaft letting you quickly and easily adjust camber, and they are designed to add 3 to 4 degrees of caster and 0.5 to 1 degree of negative camber when used together. When used independently they will add approximately half of the preceding numbers.