QA1 Chassis & Suspension

Coilover Kit, MOD Series Pro, Front, Twin-Tube, Aluminum Body, Black Anodized, 450 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-MG507-10450C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, Aluminum Body, Black Anodized, 500 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-MG507-10500C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, Aluminum Body, Black Anodized, 550 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-MG507-10550C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 600 lbs./in. Spring Rate, Kit

Part Number: QA1-MG401-10600C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 650 lbs./in. Spring Rate, Kit

Part Number: QA1-MG401-10650A

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 650 lbs./in. Spring Rate, Kit

Part Number: QA1-MG401-10650B

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 650 lbs./in. Spring Rate, Kit

Part Number: QA1-MG401-10650C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 750 lbs./in. Spring Rate, Kit

Part Number: QA1-MG401-10750C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 250 lbs./in. Spring Rate, Kit

Part Number: QA1-MG401-11250C

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 300 lbs./in. Spring Rate, Kit

Part Number: QA1-MG401-11300A

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 110 lbs./in. Rate, Kit

Part Number: QA1-DM501-1101

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 110 lbs./in. Rate, Kit

Part Number: QA1-DM501-12110

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130 lbs./in. Rate, Kit

Part Number: QA1-DM501-1301

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 150 lbs./in. Rate, Kit

Part Number: QA1-DM501-1501

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Suspension Handling Packages, Level 3 Drag Racing, Front Coil Springs, Shocks/Struts, Control Arms, 0-2.000 in. Drop Front, Buick, Chevy, Pontiac, Kit

Part Number: QA1-DK23-GMX2

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Estimated Ship Date: Jan 9, 2026 if ordered today

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HANDLING KIT LEVEL 3, GM F-BODY; 67-69 GM F-BODY, W/ SHOCKS

Part Number: QA1-HK23-GMF1

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Estimated Ship Date: Dec 19, 2025 if ordered today

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HANDLING KIT LEVEL 3, GM X-BODY; 75-79 GM X-BODY, W/ SHOCKS

Part Number: QA1-HK23-GMX3

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Suspension Handling Packages, Level 3 Drag Racing, Front Coil Springs, Front Shocks/Struts, Control Arms, 0-2.000 in. Drop Front, Chevy, Pontiac, Kit

Part Number: QA1-DK23-GMF1

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Estimated Ship Date: Dec 19, 2025 if ordered today

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HANDLING KIT LEVEL 3, GM X-BODY; 68-74 GM X-BODY, W/ SHOCKS

Part Number: QA1-HK23-GMX2

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Dana 60 Rear, Dodge, Plymouth, Kit

Part Number: QA1-R262-175

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130 lbs./in. Rate, Kit

Part Number: QA1-DM501-12130

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Kits, Rear Pro Conversion System, MOD Double-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 150 lbs./in. Rate, Kit

Part Number: QA1-DM501-12150

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Suspension Handling Packages, Level 3 Drag Racing, Front Coil Springs, Shocks/Struts, Control Arms, 0-2.000 in. Drop Front, Buick, Chevy, Pontiac, Kit

Part Number: QA1-DK23-GMX3

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Dana 60 Rear, Dodge, Plymouth, Kit

Part Number: QA1-R162-175

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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

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Estimated Ship Date: Dec 10, 2025 if ordered today

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