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The QA1 Pro Coil front system for 2007–2018 Silverado/Sierra 1500 (4WD) is a fully bolt-in solution that replaces the OE front end and enables ride height adjustment—3"–5" drop with drop spindles or 1"–3" with stock spindles. Double-adjustable shocks offer independent rebound and compression tuning, while a heavy-duty design with polyurethane bushings and a 1" chromoly T-bar improves durability for truck use.
QA1 07-18 Chevrolet Silverado 4WD 10-950 Kit Front Pro-Coil D-Adj
