SPL Parts

GT500 Mustang Tension Rods (TR) provide a wide range of front caster adjustment, allowing precise alignment for optimal turn-in response and to compensate for variances between left and right...

S550-Series Ford Shelby GT500 Mustang Front Lower Control Arms (FLCA) provide roll center, camber, and track width adjustment and allow for full articulation with the proper ball joint angle. The...

S550 Mustang Rear Upper Arms (RUA) were carefully designed to provide strength, clearance to axle and frame, while allowing for huge range of adjustment. The rear upper arm eliminates the need to...

S550 Mustang Rear Toe Arms (RTA) increase stability and response by eliminating bushing deflection while providing an increased range of rear toe adjustment, necessary for lowered cars or for...

S550 Mustang Rear Toe Arm bushings replace the mushy factory bushing in the rear knuckle. This replacement bushing removes the large amount of deflection that the toe bushing sees under heavy load...

S550 Mustang Rear Lower Control Arm bushings replace the mushy factory bushing in the rear lower control arm. One of the bushings from the factory is spherical, while in the other location Ford...

S550 Mustang Tension Rods (TR) provide a wide range of front caster adjustment, allowing precise alignment for optimal turn-in response and to compensate for variances between left and right...

S550 Mustang Tension Rods (TR) provide a wide range of front caster adjustment, allowing precise alignment for optimal turn-in response and to compensate for variances between left and right...

GT350 Mustang Tension Rods (TR) provide a wide range of front caster adjustment, allowing precise alignment for optimal turn-in response and to compensate for variances between left and right...

SPL rear toe arms increase stability and response by eliminating bushing deflection while providing an increased range of rear toe adjustment, necessary for lowered cars or for performance...

S550 Mustang Rear Endlinks feature massive Teflon lined FK 1/2" Bearings to provide the highest load capacity for use with stiffer aftermarket sway bars. Custom heat treated Chromoly High...

The stock, stamped steel vertical link on the S550 chassis has a tendency to deflect under hard launches and heavy cornering loads, creating unwanted toe change characteristics. Our S550 vertical...