QA1 Chassis & Suspension

Coilover Shock, Proma Star, Rear, Twin-Tube, Double Adjustable, Eyelet/Eyelet, Pair

Part Number: QA1-RCK52354

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Coilover Kit, Pro Coilover System, Rear, Single Adjustable, 110 lbs./in. Spring Rate, Chevy, Pontiac, Kit

Part Number: QA1-RCK52623

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Coilover Kits, Rear HD Pro Coilover Conversion System, Adjustable Valving, 200 lbs./in. Rate Springs, Designed for 3.25 in. Axle Tubes, Kit

Part Number: QA1-DD501-2001

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Coilover Kits, Rear HD Pro Coilover Conversion System, Adjustable Valving, 300 lbs./in. Rate Springs, Designed for 3.25 in. Axle Tubes, Kit

Part Number: QA1-DD501-3001

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Coilover Kits, Rear HD Pro Coilover Conversion, Adjustable Valving, Twin-tube Shocks, 300 lbs./in. Rate Springs, Designed for 3.25 in. Axle Tubes, Kit

Part Number: QA1-DS501-3001

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Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10450C

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Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10600C

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Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10650C

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Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10750C

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Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 100-200 lbs./in. Rate, Kit

Part Number: QA1-DS501-100V1

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

Part Number: QA1-DS501-1101

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Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130-250 lbs./in. Rate, Kit

Part Number: QA1-DS501-130V1

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

Part Number: QA1-DS501-1501

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Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 175-350 lbs./in. Rate, Kit

Part Number: QA1-DS501-175V1

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 12.880 in. Extended, 8.630 in. Collapsed, Each

Part Number: QA1-M431CL

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SHOCK, MOD C-O, LH PIGGYBACK 9.5" COMP

Part Number: QA1-M455PL

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SHOCK, MOD C-O, RH PIGGYBACK 9.5" COMP

Part Number: QA1-M455PR

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 15 in. Extended, 10.130 in. Collapsed, Each

Part Number: QA1-M521CR

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 16.880 in. Extended, 11.500 in. Collapsed, Each

Part Number: QA1-M521PL

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 16.880 in. Extended, 11.500 in. Collapsed, Each

Part Number: QA1-M521PR

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 18.750 in. Extended, 12.500 in. Collapsed, Each

Part Number: QA1-M611CL

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 18.750 in. Extended, 12.500 in. Collapsed, Each

Part Number: QA1-M611CR

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 19.500 in. Extended, 12.875 in. Collapsed, Each

Part Number: QA1-M711CL

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 23.625 in. Extended, 14.875 in. Collapsed, Each

Part Number: QA1-M911CL

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Coilover Shock, MOD Series, Double-Adjustable, Aluminum Body, Black Anodized, Twin-Tube, 23.625 in. Extended, 14.875 in. Collapsed, Each

Part Number: QA1-M911CR

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