QA1 Chassis & Suspension

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 170 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52448

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 220 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52450

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, Eyelet Mounts, 250 lbs./in. Spring Rate, Buick, Chevy, Olds, Pontiac, Kit

Part Number: QA1-RCK52461

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, Eyelet Mounts, 300 lbs./in. Spring Rate, Buick, Chevy, Olds, Pontiac, Kit

Part Number: QA1-RCK52462

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Conversion, Double Adjustable Shocks, 850 lb. Spring Rate, Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52610-D850

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Conversion, Single Adjustable Shocks, 750 lb. Spring Rate, Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52610-S750

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Conversion, Single Adjustable Shocks, 850 lb. Spring Rate, Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52610-S850

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Suspension Handling Packages, Level 2 Drag Racing, Coil Springs, Shocks/Struts, Rear Sway Bar, Not Compatible with Cobra IRS, Ford, Kit

Part Number: QA1-DK42-FMM2

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Suspension Handling Packages, Level 2 Drag Racing, Coil Springs, Shocks/Struts, Rear Sway Bar, Not Compatible with Cobra IRS, Ford, Kit

Part Number: QA1-DK42-FMM3

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Suspension Handling Packages, Level 2 Drag Racing, Coil Springs, Shocks/Struts, Rear Sway Bar, Not Compatible with Cobra IRS, Ford, Kit

Part Number: QA1-DK42-FMM4

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 200 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52449

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Conversion, Double Adjustable Shocks, 650 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52619-D650

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Conversion, Single Adjustable Shocks, 650 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52619-S650

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Suspension Package, Front, Street Performance, 2 in. to 4 in. Drop, Single Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit

Part Number: QA1-52341-S400

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Suspension Package, IFS, Front, 5 in. to 6 in. Drop, Double Adjustable Coilover, 600 lbs./in. Spring Rate, Tubular Arms, Dodge, Kit

Part Number: QA1-52615-D600

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., B-Body, Dodge, Plymouth, Kit

Part Number: QA1-R351-175

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., B-Body, Dodge, Plymouth, Kit

Part Number: QA1-R352-175

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Rear Suspension, 4 Link Conversion, Triangulated, Mod Series Shocks, 170 lbs/in, Springs, Black, Ford 9 in, Narrowed Axle, Chevrolet, Pontiac, Kit

Part Number: QA1-R357-170N

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Rear Suspension, 4 Link Conversion, Triangulated, Mod Series Shocks, 170 lbs/in, Springs, Black, Ford 9 in, Standard Axle, Chevrolet, Pontiac, Kit

Part Number: QA1-R357-170S

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Conversion, Double Adjustable Shocks, 850 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52619-D850

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Conversion, Single Adjustable Shocks, 850 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52619-S850

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Estimated Ship Date: Dec 23, 2025 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-R161-175

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Conversion System, Rear, Double Adjustable, MOD Series, 175 lbs./in. Spring Rate, Mopar 8 3/4 or Ford 9 in., B-Body, Dodge, Plymouth, Kit

Part Number: QA1-R354-175

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Estimated Ship Date: Dec 23, 2025 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-R164-175

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, Aluminum, Black/Red, Eyelet Mounts, Buick, Chevy, Olds, Pontiac, Kit

Part Number: QA1-RCK52463

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Estimated Ship Date: Dec 23, 2025 if ordered today

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