Steeda S550 Mustang Billet Rear Shock Mounts

€274 exc TAX

Once the aftermarket shocks started coming out for the S550 Mustang, people all across the country ran into issues breaking the factory rear shock mount. Whether it was drag racing or road racing with very stiff shocks, customers were having all sorts of issues. Steeda stepped in to make these great rock solid mounts.

As a guide, EU delivery cost varies on service requested and weight / dimensions. Final rate depends on which EU Zone you are in for DPD services. Below are some guide examples. 

Some countries may be serviced with other providers if required.

FREE SHIPPING is available on orders over a certain amount (country dependant). Some product do not qualify for the free shipping offers due to the weight / size of the item. 

We aim to ship same day if ordered before midday.

1. Standard EU Shipping: DPD Courier with tracking - 2-3 days (for main EU countries)

DPD Zone 1: €14.99 + vat 0-5KG      - €19.99 5-30 KG

2. Small Items (via Royal Mail) -from 2 days - 2 weeks depending on location.

Covers all European countries:  €14.99 + vat 0-2KG:

You will receive a shipping notification with tracking details once order is processed.

NOTE  We can ship worldwide. Please contact us if assistance required as a custom shipping solution may be required.

We reserve the right to change charges and services as required.

That's when the team at Steeda got together to come up with a solution. Made from billet 6061 aluminium, these mounts are designed to replace the weak cast factory units. Unlike the factory mounts that have a rubber bushing that binds and will deteriorate over time on lowered cars or cars with aggressive shock settings, these units feature a Steeda spec stainless steel spherical Teflon lined bearing for optimum performance and control. Steeda also went a step further by making multiple kits, one for factory and Ford Racing shocks that are 10mm in diameter (555-8151) and one for aftermarket shocks like our Pro-Action that are 12mm in diameter (555-8152). If you are running stock shocks now but might upgrade to Pro-Actions in the future, no problem, there is no drilling required like the OEM mounts, these mounts are upgradable with a simple spacer and nut change (555-8153). The 8160 Kit provides for Steeda's own Pro-Action NON ADJUSTABLE fixed rate shocks and KONI shocks, while the 8161 kit is tuned for KW Coilovers, and also for Roush, Bilstein and Vogtland kits.

The Steeda Billet Shock Mounts are a great upgrade to drag racers and road racers alike, or if you're running aggressive shocks on your car, these will greatly help with control with uncompromised durability.

Product Benefits
  • Better rear shock control
  • Stronger than Stock
  • Better (1/4" ) inner tyre clearance for "big tyre" applications.
  • Bolt-in installation
  • A must for road racers / drag use / air ride cars
  • No NVH impact just a better ride.
  • Normally in stock

NOTE: NOT suitable for Magneride equipped cars

Part number / Application / Thread size

555-8151 - ALL 10mm OPTIONS

All Stock shocks, Viking, Ford Racing and Pedders / 10mm-1.5

555-8152  - ALL 12mm OPTIONS

Adjustable Pro Action and Adjustable Koni / 12mm-1.25

555-8153 (Spacer kit)

Go from Stock or Ford Racing to Steeda Adjustable Pro Action or Adjustable Koni / 12mm-1.25

Non Adjustable Pro Action and Non Adjustable Koni & KW v3 Adjustables / 10mm-1.0


For Coil over kit. Vogtland / Bilstein / Roush / BC Racing coilover  / Sleeve, no threads

AirRide / 10mm-1.25 custom

Note: All OEM S550 rear shocks, regardless of package, are 10mm (555-8151), including the aftermarket Ford Racing & Steeda Non Adjustable performance units. Aftermarket shocks like Steeda ProAction Adjustables, Koni and Bilstein can be 12mm units (555-8152). Upgrade kits are available if you change shocks later down the road from 10mm-12mm (555-8153).


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