Suspension Secrets Solid Front Control Arm Bushes – Toyota Supra MK5

Improve braking stability and steering accuracy by installing the Suspension Secrets Solid Front Control Arm Bush for the Toyota Supra MK5 A90.

The standard front control arm bushes are made soft rubber with an oil filled liner. When driving fast, these oil filled bushes flex substantially leading to changes in front geometry and an overall vague feeling to the steering on the car. Under heavy braking both of these bushes compress substantially leading to a sensation that the chassis has a delay when coming to a stop. The geometry is also affected under heavy braking, causing the steering to move side to side and lose grip from the front axle.

To solve both of these problems, solid front control arm bushes are required. Our solid bushes are designed as press-fit replacement for the OEM control arm bushes. As our bushes are solid, they eliminate all of the issues caused by the soft rubber bushes. Instead you gain improved braking stability and steering accuracy at the limit.

Our bushes have been designed to use bearings that offer a very minimal increase in NVH, leading to an upgrade that is perfect for both the road and the track as they provide a very large performance gain for a very small offset in NVH increase.

The key benefits of our Suspension Secrets Solid Front Control Arm Bush for the A90 Toyota Supra MK5 are:

• Increased braking stability

• Improved steering feel and accuracy

• Reduced understeer

• Increased sense of connection to the road

Further Reading

As standard, the OEM rubber bushes used by Toyota are quite soft. They are built for refinement, flexibility and durability. Rubber bushes are quiet and are ideal for a car that is designed to be used frequently.

Unfortunately, when used in a performance application, rubber bushes have quite a few downsides. When braking hard, the OE rubber bushes flex. They flex so much that the wheel assembly moves rearwards as the car brakes. This causes unwanted toe geometry change which causes the car to feel very nervous and vague when braking.

The flex in rubber bushes also causes understeer and the steering wheel to feel very inaccurate during cornering.

Toe

Toe is the angle between each wheel with relation to the longitudinal axis of the vehicle. The animation below illustrates to toe-in, toe-out and zero toe.

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