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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!
Showing In Stock Items. Show All 32 Items.
Featured Products
Front Suspension Package, Steel, Black Powdercoated, Tubular, Hydraulic Power Assist, Single Adjustable, 650 lbs./in., Chevy, Kit
Part Number: QA1-52623-S650
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Conversion, Single Adjustable Shocks, 650 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit
Part Number: QA1-52611-S650
Estimated Ship Date: Today
Estimated Ship Date: Today
KIT, PROMA STAR S-ADJ, 9" SILVER SPRING, 10.13" SHOCK, 2.5" ID X 650LB SPRING
Part Number: QA1-DS42-650
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Coilover Conversion, Single Adjustable Shocks, 650 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit
Part Number: QA1-52619-S650
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Coilover Conversion, Single Adjustable Shocks, 650 lb. Spring Rate, Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit
Part Number: QA1-52610-S650
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Shock, 63 Series Twin-Tube, 5/650 Valving, Aluminum, Threaded Body, Front, Each
Part Number: QA1-6375-650
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Shocks and Struts, 63 Series Large Body Aluminum Shocks, Stock Ride Height, Eyelet Mounts, 5/650 Valving, 24.30 in. Extended Length, Each
Part Number: QA1-6395-650
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Coilover Spring, Pro, Flat Style, 650 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each
Part Number: QA1-10HTBF650
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Spring, Pro, Flat Style, 650 lbs./in. Rate, 10 in. Length, 3.50/2.50 in. I.D., Silver Powdercoated, Each
Part Number: QA1-10HTSF650
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Spring, Pro, Pigtail Style, 650 lbs./in. Rate, 10 in. Length, 3.50/2.50 in. I.D., Silver Powdercoated, Each
Part Number: QA1-10HTSP650
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 650 lbs./in. Spring Rate, Kit
Part Number: QA1-MG401-10650A
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 650 lbs./in. Spring Rate, Kit
Part Number: QA1-MG401-10650C
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0.0-2.0 in. Lowered, Aluminum Body, Black Anodized, 650 lbs./in. Spring Rate, Kit
Part Number: QA1-MG401-10650B
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Coilover Kit, MOD Series Pro, Front, Twin-Tube, Aluminum Body, Black Anodized, 650 lbs./in. Spring Rate, Chevy, Pontiac, Kit
Part Number: QA1-MG501-10650C
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
REAR AXLE ASM, 9" STANDARD, 67-69 GM F-BODY, 68-72 GM X-BODY
Part Number: QA1-R901S
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Axle Assembly, Narrowed, Ford 9 in., Black, 1541H Steel, 31 Spline Axles, F-Body, Second Gen, for use with QA1 4-Link, Chevy, Pontiac, Kit
Part Number: QA1-R902N
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Axle Assembly, Standard OE Width, Ford 9 in., Black, 1541H Steel, 31 Spline Axles, F-Body, Second Gen, for use with QA1 4-Link, Chevy, Pontiac, Kit
Part Number: QA1-R902S
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
REAR AXLE ASM, 9" NARROW, 67-69 GM F-BODY, 68-72 GM X-BODY
Part Number: QA1-R901N
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, Front, Double Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: QA1-GD507-10650C
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Front, Double Adjustable, Chevy, Pair
Part Number: QA1-GD507-09650D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: QA1-GS507-10650C
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: QA1-GS401-10650A
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair
Part Number: QA1-GS401-10650C
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Kit, Pro Coilover System, Front, Single Adjustable, Chevy, Pontiac, Pair
Part Number: QA1-GS501-10650C
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair
Part Number: QA1-GD401-10650C
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
