SPL Front Lower Control Arms (FLCA) for 2015+ Ford Mustang (S550/S650)

Optimize handling precision, adjustability, and performance with SPL Front Lower Control Arms (FLCA), engineered for the 2015+ Ford Mustang platform. Designed to provide roll center correction, camber adjustability, and track width tuning, these high-strength, lightweight control arms enhance cornering grip, steering response, and tire longevity—making them an essential upgrade for both street and track applications.

Key Benefits:

• Adjustable Camber, Roll Center, and Track Width – Fine-tune suspension geometry for optimal performance.
• Eliminates Bushing Deflection – Improves steering response and stability.
• Lightweight, High-Strength Construction – 2.0 lbs lighter than Performance Pack arms.
• Improved Peak Grip and Tire Longevity – Ideal camber settings reduce outer shoulder wear.
• Stackable 304SS Roll Center Spacers – Includes 1/8" and 1/4" spacers for precise adjustments.
• Factory Ride Height Sensor Compatibility – Maintains proper function of Ford chassis electronics.

Premium Materials:

• 6061-T6 Aluminum – Black anodized arm and clamps for strength and corrosion resistance.
• 4130 Chro-Moly Steel – Electroless nickel-plated double adjuster for durability.
• Ti6Al4V Titanium – Socket head cap screws for a lightweight, high-strength solution.
• 304 Stainless Steel – Roll center, mounting, and knuckle spacers for longevity.
• 4340 CrMo Stud & FK PTFE-Lined Spherical Bearings – F1-spec, self-cleaning design for superior articulation and durability.

Vehicle Applications:

• 2015 - 2023 Ford Mustang (V6 / EcoBoost / GT)
• 2024+ Ford Mustang (S650, including Dark Horse)

Fitment Notes:

🚫 Not compatible with Shelby GT350, GT350R, or GT500 models. Specific FLCA options are available for these models:

• GT350 / GT350R (Exc. 2020 GT350R) Front Lower Control Arms
• GT500 / 2020 GT350R Front Lower Control Arms

Important Installation Information:

Ford produced multiple front knuckle variations across the S550/S650 Mustang lineup, including Mach 1 and Handling Pack configurations. It is crucial to verify that the supplied conical tapered spacer fits snugly into the knuckle, ensuring zero lateral play and full seating when torqued properly. If you require clarification or suspect you have the incorrect spacer, please contact us for assistance.

🔧 Installation instructions available: SPL FLCA S550 Instructions

For performance enthusiasts and track-day drivers looking to maximize grip, precision, and suspension adjustability, SPL’s Front Lower Control Arms deliver race-proven engineering with uncompromising quality.