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QA1 Rear Suspension Conversion Systems

4.72 out of 5 stars 18 Customer Reviews

QA1 rear suspension conversion systems provide easy, bolt-in options to replace your coil springs on factory truck arms—without any cutting, welding, or other fabricating. Each kit contains frame brackets, axle brackets, linkage assemblies, a crossmember assembly, and necessary hardware. The conversions are available with coilovers or available for use with the factory springs. Order the model designed for fitment on your specific vehicle, and enjoy the stance, handling, and suspension performance of a revolutionary QA1 system.

Results 1 - 22 of 22

Rear Suspension System, Adjustable, Single Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 12-Bolt, Chevy C10, Kit

Part Number: QA1-R131-200

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Chevy C10, Kit

Part Number: QA1-R130-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 12-Bolt, Chevy C10, Kit

Part Number: QA1-R231-200

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, Ford 9 in., Chevy C10, Kit

Part Number: QA1-R232-200

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 250 lbs./in., Torque Arm, Panhard Bar, Ford 9 in., Chevy C10, Kit

Part Number: QA1-R232-250

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 170 lbs./in., Torque Arm, Panhard Bar, GM 12-Bolt, Chevy C10, Kit

Part Number: QA1-R231-170

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 250 lbs./in., Torque Arm, Panhard Bar, GM 12-Bolt, Chevy C10, Kit

Part Number: QA1-R231-250

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 250 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Chevy C10, Kit

Part Number: QA1-R230-250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Chevy C10, Kit

Part Number: QA1-R230-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 170 lbs./in., Torque Arm, Panhard Bar, Ford 9 in., Chevy C10, Kit

Part Number: QA1-R232-170

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 170 lbs./in., Torque Arm, Panhard Bar, GM 12-Bolt, Chevy C10, Kit

Part Number: QA1-R131-170

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, Ford 9 in., Chevy C10, Kit

Part Number: QA1-R132-200

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 170 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Chevy C10, Kit

Part Number: QA1-R130-170

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 250 lbs./in., Torque Arm, Panhard Bar, Ford 9 in., Chevy C10, Kit

Part Number: QA1-R132-250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

...Loading

Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 250 lbs./in., Torque Arm, Panhard Bar, GM 12-Bolt, Chevy C10, Kit

Part Number: QA1-R131-250

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 170 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Chevy C10, Kit

Part Number: QA1-R230-170

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 250 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Chevy C10, Kit

Part Number: QA1-R130-250

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Single Adjustable Coilover, 170 lbs./in., Torque Arm, Panhard Bar, Ford 9 in., Chevy C10, Kit

Part Number: QA1-R132-170

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Rear Suspension System, Adjustable, Double Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Short Bed, Chevy, GMC, Kit

Part Number: QA1-R245-200

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Rear Suspension System, Adjustable, Double Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Long Bed, Chevy, GMC, Kit

Part Number: QA1-R246-200

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Rear Suspension System, Adjustable, Single Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Short Bed, Chevy, GMC, Kit

Part Number: QA1-R145-200

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Rear Suspension System, Adjustable, Single Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, GM 10-Bolt, Long Bed, Chevy, GMC, Kit

Part Number: QA1-R146-200

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

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