Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
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!
Featured Products
Suspension Package, Front, Street Performance, 0 in. to 2 in. Drop, Single Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52346-S400
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Suspension Package, Drag, Front, 0 in. to 2 in. Drop, Double Adjustable Coilover, 350 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52345-D350
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Street Performance, Front, 2 in. to 4 in. Drop, Single Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52347-S400
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Suspension Package, Street Performance, Front, 2 in. to 4 in. Drop, Double Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52347-D400
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Suspension Package, MOD Series, Front, Street, 2-4 in. Drop, Double Adjustable, 400 lbs/in. Spring Rate, Tubular Arms, Mopar, B and E Body, Kit
Part Number: QA1-52347-M400
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Suspension Package, MOD Series, Front, Street, 0-2 in. Drop, Double Adjustable, 400 lbs/in. Spring Rate, Tubular Arms, Mopar, B and E Body, Kit
Part Number: QA1-52346-M400
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Suspension Package, Drag, Front, 0 in. to 2 in. Drop, Double Adjustable Coilover, 350 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52348-D350
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Suspension Package, MOD Series, Front, Drag, 0-2 in. Drop, Double Adjustable, 350 lbs/in. Spring Rate, Tubular Arms, Mopar, B and E Body, Kit
Part Number: QA1-52348-M350
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Suspension Package, Front, Street Performance, 2 in. to 4 in. Drop, Double Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52344-D400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Front, Street Performance, 0 in. to 2 in. Drop, Double Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52340-D400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Front, Street Performance, 0 in. to 2 in. Drop, Single Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52340-S400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, MOD Series, Front, Drag, 0-2 in. Drop, Double Adjustable, 350 lbs/in. Spring Rate, Tubular Arms, Mopar, A-Body, Kit
Part Number: QA1-52342-M350
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Suspension Package, MOD Series, Front, Street Performance, 0-2 in. Drop, Double Adjustable, 400 lbs/in. Spring Rate, Tubular Arms, Mopar, A-Body, Kit
Part Number: QA1-52340-M400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Front, Street Performance, 2 in. to 4 in. Drop, Double Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52341-D400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, MOD Series, Front, Street Performance, 2-4 in. Drop, Double Adjustable, 400 lbs/in. Spring Rate, Tubular Arms, Mopar, A-Body, Kit
Part Number: QA1-52341-M400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Front, Street Performance, 2 in. to 4 in. Drop, Single Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52341-S400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Drag, Front, 0 in. to 2 in. Drop, Double Adjustable Coilover, 350 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52342-D350
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, MOD Series, Front, Street Performance, 0-2 in. Drop, Double Adjustable, 400 lbs/in. Spring Rate, Tubular Arms, Mopar, A Body, Kit
Part Number: QA1-52343-M400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, MOD Series, Front, Street Performance, 2-4 in. Drop, Double Adjustable, 400 lbs/in. Spring Rate, Tubular Arms, Mopar, A Body, Kit
Part Number: QA1-52344-M400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Front, Street Performance, 2 in. to 4 in. Drop, Single Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52344-S400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, MOD Series, Front, Drag, 0-2 in. Drop, Double Adjustable, 350 lbs/in. Spring Rate, Tubular Arms, Mopar, A-Body, Kit
Part Number: QA1-52345-M350
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Front, Street Performance, 0 in. to 2 in. Drop, Double Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52343-D400
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Suspension Package, Front, Street Performance, 0 in. to 2 in. Drop, Double Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit
Part Number: QA1-52346-D400
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
QA1 Mopar Front Street Performance Coilover Conversion Systems 52346-S400
Not Yet Reviewed
Estimated Ship Date: Today
Front Suspension Packages, Mopar Front Street Performance Coilover Conversion, Black Steel Crossmember, Spindles, Control Arms, Dodge, Plymouth, Kit
Part Number: QA1-52343-S400
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Control Arms, Tubular, Front Lower without Ball Joint, Steel, Black Powdercoated, Dodge, Plymouth, Kit
Part Number: QA1-52308
Estimated Ship Date: Today
Estimated Ship Date: Today
