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ST Suspensions ST XA Coilover Kits for 2015-2019 A3 QUATTRO, 2015-2020 S3 - 1821000M
Part Number: STQ-1821000M
ST Suspensions ST XA Coilover Kits
ST XA Height, Rebound Adjustable Coilover Kit; Audi A3, S3 (8V) Quattro
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Estimated Ship Date: Oct 22, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
1821000M
Part Type:
Product Line:
Summit Racing Part Number:
STQ-1821000M
UPC:
847691074374
Coilover Kit Position:
Front and rear
Adjustable Valving:
Yes
Shocks Included:
No
Internal Design:
Twin-tube
Coilover Springs Included:
Yes
Spring Rate (lbs./in.):
Progressive front and rear
Gas Charged:
No
Shock Body Finish:
Black/Gold
Bushing Material:
Rubber
Bushing Color:
Black
Spring Finish:
Yellow
Crossmember Included:
No
Adjustable Mounting Bracket Included:
No
Hardware Included:
No
Welding Required:
No
Quantity:
Sold as a kit.
ST Suspensions ST XA Coilover Kits
ST Suspensions ST XA coilover kits offer more than lowering. With the adjustable dampers, you can influence more than just the ride height of your car.
ST XA coilovers come preset to ST Suspension's factory recommended damper settings, the same configuration they test them at on their KW shock dynos before they go into your box. The 16 distinct clicks of adjustable rebound damping allow you to refine the driving dynamics with a simple turn of the adjustment knob. Each kit includes a detailed damper setup manual making it easy to reset to ST's recommended setting at any time. Whether your preference is comfort, sportiness, or something in between; ST XA coilover kits put the finer details of the driving dynamics in your hands.
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