QA1 Chassis & Suspension

Coilover Spring, Pro, Pigtail Style, 550 lbs./in. Rate, 9 in. Length, 3.80/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-9HTSP550

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Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 18.750 in. Extended, 12.625 in. Collapsed, Each

Part Number: QA1-DD603

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Estimated Ship Date: Nov 3, 2025 if ordered today

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

Part Number: QA1-DD501-12130

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Control Arms, Pro-Touring Series, Front Lower, Steel, Black Powdercoated, Chevy, Buick, GMC, Oldsmobile, Pontiac, Pair

Part Number: QA1-52564

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Suspension Handling Packages, F-100 Rear Coilover Conversion Systems, Single Adjustable Coilover, 250 lbs./in. Rate Springs, Rear, Ford, Kit

Part Number: QA1-R120-250

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Shock Mount, Coilover, Rear, Upper/Lower, Steel, 3.250 in. Axle Tube, Kit

Part Number: QA1-MT102K

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Coilover Spring, High Travel, 700 lbs./in. Rate, 8 in. Length, 2.50 in. I.D., Black Powdercoated, Each

Part Number: QA1-8HT700B

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Chassis Tube Adapter, Steel, 1 1/2 in. Diameter, 3/4 in.-16 RH Thread, .250 in. Wall Thickness, Smooth, Each

Part Number: QA1-1844-139

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Coilover Spring, High Travel, 325 lbs./in. Rate, 12 in. Length, 2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-12HT325

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Shocks and Struts, Stocker Star NA Shocks, Stock Ride Height, Twin-tube, Rear, Chevrolet, GMC, Each

Part Number: QA1-TN803

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REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, S-ADJ, 12-170

Part Number: QA1-R158-170

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Coilover Kit, Pro Coilover System, Rear, Single Adjustable, 200 lbs./in. Spring Rate, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52383

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Suspension Handling Packages, Level 2 Handling Kits, Coilovers, 4-Link with 9 in. Housing, Control Arms, Subframe Connectors, Chevrolet, Pontiac, Kit

Part Number: QA1-HK52-GMF2RS

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Coilover Kits, MOD Series Pro Coilover Systems, Rear, Twin-tube Shocks, Eyelet Mounts, 175 lbs./in. Spring Rate, Ford, Kit

Part Number: QA1-RCK52411

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HANDLING KIT LEVEL 2, GM F-BODY; 67-69 GM F-BODY, W/0 SHOCKS

Part Number: QA1-HK32-GMF1

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Coilover Spring, High Travel, 275 lbs./in. Rate, 10 in. Length, 2.50 in. I.D., Black Powdercoated, Each

Part Number: QA1-10HT275B

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Spherical Bearing, HCOM-T Large Bore Series, Steel, PTFE Lined, 2.375 in. Receiver Race Diameter, 1.250 in. Inner Ball Diameter, Each

Part Number: QA1-HCOM20T

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Coilover Kit, Mustang II Coilover System, Front, Single Adjustable, Ford, Pair

Part Number: QA1-MS301-08375

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Coilover Shocks and Struts, Pro Coil, Double-adjustable, Stud Upper/Bar Pin Lower, Designed for Use with Factory Coil Springs, Rear, Chevrolet, Each

Part Number: QA1-GD601

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Shock, Twin Tube, QA1 Stocker Star, Double Adjustable, 16.500 in. Extended, 11.500 in. Collapsed, Each

Part Number: QA1-TD518

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Suspension Handling Packages, Level 2 Handling, Coil Springs, Shocks/Struts, Sway Bars, Lower Control Arms, Trailing Arms, Ford, Kit

Part Number: QA1-HK42-FMM3

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Rod End, X Series, 1 1/4 in.-12 LH, Male Threads, 2-piece, Chromoly, 1.000 in. Bore, Each

Part Number: QA1-XML16

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Rod End, EX Series, 5/8 in.-18, Male Threads, 2-piece, Carbon Steel, 0.625 in. Bore, Each

Part Number: QA1-EXMR10

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K-Members, Tubular, HSLA Steel, Black Powdercoated, Includes Mounts, LS Engine Swap, Ford, Mustang, Each

Part Number: QA1-MUK21

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

Part Number: QA1-52347-D400

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