The S550's subframe mounting holes are very large compared to the subframe mounting bolts. Since there is a large difference in bolt and hole size, the subframe can be mis-aligned from the factory up to 1/2" left to right.

The Steeda S550 Mustang IRS Subframe Alignment Kit is made from CNC-machined Delrin to avoid putting two dissimilar metals next to each other, preventing corrosion. Delrin is also less weight then aluminum or steel inserts and therefore keeping performance in mind. The Delrin sleeves slide into the subframe mounting holes, and fill the extra space left between the subframe mount and bolt from the factory.

Our Steeda S550 Mustang IRS Subframe Alignment Kit guarantees that the subframe will be bolted to the same location every time it is lowered. Eliminating the need for unnecessary alignments.

Note: Customers running the CB005 Kit will need to purchase this part Steeda Mustang Alignment Kit for the S550 Rear Subframe for BMR CB005 Kit (15-17 All). An alignment is needed upon initial installation, due to the fact it could have been mis-aligned from the factory and with it now being squared in the chassis, some adjustments might need to be made.

Purchase your Steeda S550 Mustang IRS Subframe Alignment Kit for your 2015+ Mustang GT, GT350, EcoBoost, and V6 at Steeda Autosports today!

Also fits the S550 GT500

Product Benefits
Aligns subframe to chassis
No increase in NVH
Easy to install
No permanent modifications
Lifetime warranty
No additional hardware needed
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Available for the following vehicles:
• Ford Mustang 2015+