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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 59 Items.
Featured Products
Rear Suspension, 4 Link Conversion, Triangulated, Single Adjustable, 170 lbs/in, Springs, Trailing Arm, Black Powdercoated, Chevrolet, Pontiac, Kit
Part Number: QA1-R157-170
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rear Suspension, 4 Link Conversion, Triangulated, Double Adjustable, 170 lbs/in, Springs, Black, Ford 9 in, Narrowed Axle, Chevrolet, Pontiac, Kit
Part Number: QA1-R257-170N
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Rear Suspension, 4 Link Conversion, Triangulated, Double Adjustable, 170 lbs/in, Springs, Black, Ford 9 in, Standard Axle, Chevrolet, Pontiac, Kit
Part Number: QA1-R257-170S
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Rear Suspension, 4 Link Conversion, Triangulated, Double Adjustable, 170 lbs/in, Springs, Trailing Arm, Black Powdercoated, Chevrolet, Pontiac, Kit
Part Number: QA1-R357-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Rear Suspension, 4 Link Conversion, Triangulated, Mod Series Shocks, 170 lbs/in, Springs, Black, Ford 9 in, Narrowed Axle, Chevrolet, Pontiac, Kit
Part Number: QA1-R357-170N
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Rear Suspension, 4 Link Conversion, Triangulated, Mod Series Shocks, 170 lbs/in, Springs, Black, Ford 9 in, Standard Axle, Chevrolet, Pontiac, Kit
Part Number: QA1-R357-170S
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R174-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R173-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R073-000
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R274-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R074-000
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R373-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R374-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
KIT, 4-LINK SYSTEM, TRIANGULATED
Part Number: QA1-R273-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Rear Suspension Package, +2 to -3 Height Adjustment, Adjustable, 170 lbs Springs, Chevrolet, Pontiac, Kit
Part Number: QA1-R156-170
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rear Suspension Package, +2 to -3 Height Adjustment, Double Adjustable, 170 lbs Springs, Chevrolet, Pontiac, Kit
Part Number: QA1-R256-170
Estimated Ship Date: Today
Estimated Ship Date: Today
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, D-ADJ, 12-170, AXLE-NAR
Part Number: QA1-R258-170N
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, MOD, 12-170, AXLE-NAR
Part Number: QA1-R358-170N
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, MOD, 12-170, AXLE-STD
Part Number: QA1-R358-170S
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, S-ADJ, 12-170
Part Number: QA1-R158-170
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, D-ADJ, 12-170
Part Number: QA1-R258-170
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, MOD, 12-170
Part Number: QA1-R358-170
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R255-175
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Conversion System, Rear, Single Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R155-175
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Coilover Conversion System, Rear, Double Adjustable Coilover, 175 lbs./in. Spring Rate, Mopar 8 3/4 and Ford 9 in. Rear, Dodge, Plymouth, Kit
Part Number: QA1-R253-175
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
