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QA1 puts you in complete control with high performance suspension components and more for your circle track, drag racing, off-road, or street vehicle! Features like...
QA1 puts you in complete control with high performance suspension components and more for your circle track, drag racing, off-road, or street vehicle! Features like deflective disc valving, customizable compression and rebound, and lightweight aluminum construction have made QA1 shocks number one in the industry, and Summit Racing’s extensive selection makes it easy to get it all for your vehicle with the best prices anywhere! Pair them up with a set of custom-rate coil springs, heavy-duty Chromoly rod ends, and tubular chassis components for a one-of-a-kind suspension setup that you’ll only get from QA1!
QA1 puts you in complete control with high performance suspension components and more for your circle track, drag racing, off-road, or street vehicle! Features like deflective disc valving, customizable compression and rebound, and lightweight aluminum construction have made QA1 shocks number one in the industry, and Summit Racing’s extensive selection makes it easy to get it all for your vehicle with the best prices anywhere! Pair them up with a set of custom-rate coil springs, heavy-duty Chromoly rod ends, and tubular chassis components for a one-of-a-kind suspension setup that you’ll only get from QA1!
Featured Products
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 14.000 in. Extended, 10.125 in. Collapsed, Each
Part Number: QA1-DS401
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 14.000 in. Extended, 10.125 in. Collapsed, Each
Part Number: QA1-DS402
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DS501
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DS511
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each
Part Number: QA1-DS502
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 12.750 in. Extended, 9.500 in. Collapsed, Each
Part Number: QA1-DS303
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 12.750 in. Extended, 9.500 in. Collapsed, Each
Part Number: QA1-DS304
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 15.000 in. Extended, 11.125 in. Collapsed, Each
Part Number: QA1-DS404
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 175-350 lbs./in. Rate, Kit
Part Number: QA1-DS501-12175V
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 11.125 in. Extended, 8.750 in. Collapsed, Each
Part Number: QA1-DS302
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 19.500 in. Extended, 13.000 in. Collapsed, Each
Part Number: QA1-DS702
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 15 in. Extended, 11.125 in. Collapsed, Each
Part Number: QA1-DS403
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 18.750 in. Extended, 12.625 in. Collapsed, Each
Part Number: QA1-DS602
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 18.750 in. Extended, 12.625 in. Collapsed, Each
Part Number: QA1-DS601
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 23.625 in. Extended, 15.000 in. Collapsed, Each
Part Number: QA1-DS901
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 19.500 in. Extended, 13.000 in. Collapsed, Each
Part Number: QA1-DS701
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 11.125 in. Extended, 8.750 in. Collapsed, Each
Part Number: QA1-DS301
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 23.625 in. Extended, 15.000 in. Collapsed, Each
Part Number: QA1-DS902
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kits, Rear HD Pro Coilover Conversion, Adjustable Valving, Twin-tube Shocks, 300 lbs./in. Rate Springs, Designed for 3.00 in. Axle Tubes, Kit
Part Number: QA1-DS501-12300
Not Yet Reviewed
Estimated Ship Date: Sep 3, 2025 if ordered today
Estimated Ship Date: Sep 3, 2025 if ordered today
Coilover Shock, Proma Star, Twin-Tube, Buick, Chevy, Oldsmobile, Pontiac, Rear, Each
Part Number: QA1-DS703
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130-250 lbs./in. Rate, Kit
Part Number: QA1-DS501-12130V
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 150 lbs./in. Rate, Kit
Part Number: QA1-DS501-12150
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 100-200 lbs./in. Rate, Kit
Part Number: QA1-DS501-12100V
Estimated Ship Date: Today
Estimated Ship Date: Today
SHOCK
Part Number: QA1-DS513
Not Yet Reviewed
Estimated Ship Date: Sep 3, 2025 if ordered today
Estimated Ship Date: Sep 3, 2025 if ordered today
Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 18.750 in. Extended, 12.625 in. Collapsed, Each
Part Number: QA1-DS603
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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