S550 Mustang Offset Front Tension Rods

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SPL S550 Ford Mustang Offset Tension Rods (TRO) provide front caster and anti-dive adjustment for the S550 Mustang, allowing for symmetrical and ideal caster angle on both sides. The stock mushy rubber bushing is replaced by a US-made, low friction, hardened FK spherical bearing to eliminate deflection and bind, resulting in improved handling, direct braking feel, and sharp steering. This offset version moves the forward mounting point inward by 0.20" to give additional steering angle clearance for those running super wide tires or modified knuckles for drifting.

Using a mixture of billet 2024-T351 aluminum, stainless steel, chromoly steel, and titanium results in strong, adjustable arms that are 8.0 lbs lighter than the stock steel arms. Our 360° aluminum clamp design allows for fast, precise on-car adjustment by simply loosening two titanium Allen head cap screws and turning the arm. Once set, simply tighten the cap screws and you're done. No more fumbling wrenches trying to hold everything together while you tighten jam nuts.

Sold as a pair.


  • Adjustable Caster and Anti-Dive

  • Eliminates Bushing Deflection

  • Improved Camber Gain with Added Caster

  • Lightweight, High-Strength Construction



  • Hollow, Black Anodized 2024-T351 Aluminum Arms

  • 4340 CrMo Steel Studs

  • Ti6Al4V Titanium Socket Head Cap Screws

  • 304SS Knuckle, Anti-Dive Adjustment, and Offset Spacers

  • 6061-T6 360° Clamps

  • FK JMX Hardened PTFE-lined Spherical Bearings (F1 spec, self-cleaning)



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Confirmed Applications

2015 - 2023 Ford Mustang (Inc. GT, EcoBoost, and V6)


DOES NOT fit the Shelby Mustangs (GT350, GT500)

We have specific tension rods for those fitments:

2020 - 2022 Shelby GT500 / GT350 Tension Rods

2015 - 2019 Shelby GT350 / GT350R

Install Instructions

SPL TR S550 Install Instructions



Ford made numerous variations of the front knuckles across the S550 Mustang and Shelby line-up. These knuckles vary across nameplates (Mach 1, GT350, etc), years (2019 vs 2020 GT350), and even options (Handling Pack 2, etc).

Each knuckle variant may have different conical tapered seats where the front control arms mount. It is VERY IMPORTANT to verify the supplied conical tapered spacer fits snuggly into the knuckle, has near zero lateral end play (as-in it will not rock within the bore), and seats fully into the knuckle when installed at the proper torque value.

If you need clarification or feel you may have the wrong spacer for your Mustang, then please email us.


MCS internal resevoir 2-way adjustable shocks (2WNR / TT2), and potentially other struts/coilovers that extend well below the OEM length when installed, can lead to issues clearing our mounting studs. The remote resevoir MCS coilovers are compatible with our stud since they utilize a shorter shock body.


Replacement Rod Ends