Steeda Ford Mustang S550 Pro-Action Front Coilovers With Adjustable Rear Ride Height Kit

Steeda S550 Pro-Action Front Coilovers With Adjustable Rear Ride Height Kit

Steeda Pro-Action front struts offer rebound adjustment and threaded height adjusters from stock to around two inches/51 mm lower. Includes adjustable bump stops and camber top mounts with a stated range reaching −3 degrees.

Rear height adjustment lowers around 3/4–1.5 inches/19–38 mm. Hard-anodised 6061 billet adjusters sit above the rear springs, with an included spanner and locking grub screw. Pro-Action rear dampers are described as an additional option.

Spring selection

Recommended front spring rates is 250/275 for street, 300/350 for autocross/track and 150 for drag use. rear springs are 1000/1100 dual rate. The EU text does not specify the rate units. Engine weight, roads and desired comfort influence selection.

TIG-welded/CNC-machined components target low damper friction and shaft side load. Bolt-in installation needs no permanent changes. Steeda states EU ECE road approval. verify vehicle-specific conditions.

Instructions and videos

• Instructions (PDF)

Related vehicles

• S550 Mustang with the corresponding suspension type

Part 555-8173.