The QA1 R245-200 Rear Coilover Conversion System is engineered to replace the factory rear leaf spring suspension on 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 2WD short-bed trucks with a modern torque arm and coilover suspension design. Featuring double-adjustable QA1 coilovers, a panhard bar, and a bolt-in fuel tank crossmember, this system improves traction, ride quality, suspension articulation, and handling while providing adjustable ride height for a customized stance and performance-focused driving experience.

QA1 Rear Coilover Conversion System R245-200 Features:

• Fits 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 2WD Short-Bed applications
• Torque arm rear suspension design replaces factory leaf springs
• Double-adjustable rear coilovers with 18 clicks of independent compression and rebound adjustment
• Adjustable ride height with approximately 4 in. to 7 in. of drop range
• Improves rear tire traction, suspension control, and drivability
• Eliminates suspension bind while improving pinion angle control
• Adjustable panhard bar maintains proper axle alignment throughout suspension travel
• 200 lbs./in. coilover springs
• Bolt-in fuel tank crossmember replaces the factory crossmember
• No welding required for installation
• Designed for use with GM 10-bolt rear axle assemblies
• Black powder-coated suspension components for durability and corrosion resistance
• Spherical bearing bushings provide precise suspension movement

QA1 Rear Coilover Conversion System R245-200 Includes:

• Double-adjustable rear coilover shocks
• 200 lbs.in. coilover springs
• Torque arm assembly
• Torque arm crossmember
• Trailing arms
• Trailing arm mounts
• Adjustable panhard bar
• Fuel tank crossmember
• Frame and axle mounting brackets
• Thrust bearings
• Spanner wrench
• Installation hardware
• Installation instructions

QA1 Rear Coilover Conversion System R245-200 Notes:

• Fits 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 2WD Short-Bed models only
• For use with GM 10-bolt rear axle assemblies only
• Modification to the exhaust system is required during installation
• QA1 rear sway bar 52880 (sold separately) is recommended for additional handling performance
• Retains the factory fuel tank and fuel lines
• Installs using basic hand tools under typical applications