QA1 Chassis & Suspension

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

Part Number: QA1-ALN1500K-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Coilover Kit, Pro Coilover System, Rear, Single Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52374

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KIT, REAR SHOCKS/SPRINGS, S-ADJ

Part Number: QA1-RX58-1

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Sway Bar, Big Wheel, Front/Rear, Hollow Front/Rear, Chromoly, Black, 1.250 in. Diameter, Fixed Mount, Buick, Oldsmobile, Chevy, Pontiac, Kit

Part Number: QA1-52890

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

Part Number: QA1-GS508-10450C

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

Part Number: QA1-GS508-10500C

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

Part Number: QA1-GS508-10550C

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

Part Number: QA1-GS508-10600C

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

Part Number: QA1-GS508-10750C

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

Part Number: QA1-RCK52350

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Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GS507-11250C

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INSTALL KIT

Part Number: QA1-7039-303

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KIT, PROMA STAR S-ADJ, 9" SILVER SPRING, 10.13" SHOCK, 2.5" ID X 250LB SPRING

Part Number: QA1-DS42-250

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KIT, PROMA STAR S-ADJ, 9" SILVER SPRING, 10.13" SHOCK, 2.5" ID X 300LB SPRING

Part Number: QA1-DS42-300

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KIT, PROMA STAR S-ADJ, 9" SILVER SPRING, 10.13" SHOCK, 2.5" ID X 350LB SPRING

Part Number: QA1-DS42-350

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KIT, PROMA STAR S-ADJ, 9" SILVER SPRING, 10.13" SHOCK, 2.5" ID X 450LB SPRING

Part Number: QA1-DS42-450

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KIT, PROMA STAR S-ADJ, 9" SILVER SPRING, 10.13" SHOCK, 2.5" ID X 550LB SPRING

Part Number: QA1-DS42-550

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KIT, PROMA STAR S-ADJ, 9" SILVER SPRING, 10.13" SHOCK, 2.5" ID X 650LB SPRING

Part Number: QA1-DS42-650

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KIT, PROMA STAR S-ADJ, 10" SILVER SPRING, 11.13" SHOCK, 2.5" ID X 200LB SPRING

Part Number: QA1-DS44-200

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KIT, PROMA STAR S-ADJ, 10" SILVER SPRING, 11.13" SHOCK, 2.5" ID X 250LB SPRING

Part Number: QA1-DS44-250

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KIT, PROMA STAR S-ADJ, 10" SILVER SPRING, 11.13" SHOCK, 2.5" ID X 300LB SPRING

Part Number: QA1-DS44-300

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KIT, PROMA STAR S-ADJ, 10" SILVER SPRING, 11.13" SHOCK, 2.5" ID X 350LB SPRING

Part Number: QA1-DS44-350

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KIT, PROMA STAR S-ADJ, 10" SILVER SPRING, 11.13" SHOCK, 2.5" ID X 400LB SPRING

Part Number: QA1-DS44-400

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KIT, PROMA STAR S-ADJ, 10" SILVER SPRING, 11.13" SHOCK, 2.5" ID X 500LB SPRING

Part Number: QA1-DS44-500

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KIT, PROMA STAR S-ADJ, 10" SILVER SPRING, 11.13" SHOCK, 2.5" ID X 600LB SPRING

Part Number: QA1-DS44-600

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