Availability
QA1 High Performance Suspension, Driveshafts, Rod Ends & More
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!
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Featured Products
Coilover Kit, Pro Coilover System, Rear, Double Adjustable, 175 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52337
Estimated Ship Date: Today
Estimated Ship Date: Today
Control Arms, GM 2.0 Street Series, Front Lower, Steel, Black Powdercoated, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Pair
Part Number: QA1-52737
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Rear, Single Adjustable, 170 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52341
Estimated Ship Date: Today
Estimated Ship Date: Today
Control Arms, GM 2.0 Street Series, Front Upper, Steel, Black Powdercoated, Chevy, Buick, GMC, Oldsmobile, Pontiac, Pair
Part Number: QA1-52722
Estimated Ship Date: Today
Estimated Ship Date: Today
Trailing Arms, Boxed, Rear, Lower, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: QA1-5205
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Rear, Single Adjustable, 150 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52340
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shocks and Struts, Pro Coil, Single Adjustable, Twin-tube, Front, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: QA1-GS401
Estimated Ship Date: Today
Estimated Ship Date: Today
Shock, Twin Tube, QA1 Stocker Star, 21.250 in. Extended, 13.750 in. Collapsed, Each
Part Number: QA1-TS801
Estimated Ship Date: Today
Estimated Ship Date: Today
Shock, Twin Tube, QA1 Stocker Star, 13.500 in. Extended, 9.250 in. Collapsed, Each
Part Number: QA1-TS505
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shocks and Struts, Pro Coil, Double-adjustable, Twin-tube, Stud Upper/Tie Bar Lower, 12.880 in. Extended Length, Front, Chevy, Pontiac, Each
Part Number: QA1-GD401
Estimated Ship Date: Today
Estimated Ship Date: Today
Shock, Twin Tube, QA1 Stocker Star, 21.000 in. Extended, 13.500 in. Collapsed, Each
Part Number: QA1-TD801
Estimated Ship Date: Today
Estimated Ship Date: Today
TRAILING ARMS, LOWER, ADJUSTABLE, 64-77 GM A-BODY
Part Number: QA1-5236
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Shock, Twin Tube, QA1 Stocker Star, Front, 13.500 in. Extended, 8.750 in. Collapsed, Each
Part Number: QA1-TD505
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Rear, Double Adjustable, 150 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52336
Estimated Ship Date: Today
Estimated Ship Date: Today
Control Arms, Pro-Touring Series, Front Lower, Steel, Black Powdercoated, Chevy, Buick, GMC, Oldsmobile, Pontiac, Pair
Part Number: QA1-52537
Estimated Ship Date: Today
Estimated Ship Date: Today
Shock, Twin Tube, QA1 Stocker Star NA, 21.130 in. Extended, 13.630 in. Collapsed, Each
Part Number: QA1-TN801
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Rear, Single Adjustable, 130 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52339
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Control Arms, Drag Race Series, Front Lower, Steel, Black Powdercoated, Chevy, Buick, GMC, Oldsmobile, Pontiac, Pair
Part Number: QA1-52937
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Rear, Twin-Tube, Single Adjustable, Eyelet/Eyelet, Pair
Part Number: QA1-RCK52338
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Control Arms, Drag Race Series, Front Upper, Steel, Black Powdercoated, Chevy, Buick, GMC, Oldsmobile, Pontiac, Pair
Part Number: QA1-52922
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 175 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52442
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Shock, Proma Star, Rear, Twin-Tube, Double Adjustable, Eyelet/Eyelet, Pair
Part Number: QA1-RCK52334
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
KIT, REAR PRO-COIL MOD-ADJ, 64-72 GM A/G-BODY, 12-200
Part Number: QA1-RCK52443
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Coilover Kit, Pro Coilover System, Rear, Double Adjustable, 130 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: QA1-RCK52335
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
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Paint & Body
Marine
Jr Dragster