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QA1 short‑bed single‑adjustable rear coilover conversion fits 1999–2006 Chevrolet Silverado and GMC Sierra 1500 2WD short‑bed trucks. The R145‑200 system provides a bolt‑in fuel tank crossmember, single‑adjustable coil‑overs with 18 clicks of adjustment, torque arm design to eliminate bind, and a Panhard bar to maintain lateral alignment. Designed for easier installation with basic tools, the kit offers improved traction, ride comfort and a 4"–7" adjustable drop range, made in the USA.
QA1 99-06 Chevy Silverado 1500 Short Bed Single Adjustable Rear Suspension Kit
