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We have developed the XT range initially for the Mercedes 203 C Class lower forward and rear arms, The Mercedes 204 C Class lower forward rear and the lower forward wishbones for the Mercedes 211 E Class, 219 CLS and 230 SL Class, however, this an ongoing project for FAI and other relevant applications will continue to be added.
Why is our XT range so tough, strong and durable?
Both the wishbone bush and ball joints of the control arm are the critical points that are susceptible to deformation with the additional stress when the suspension is managing the motion of the wheels on uneven roads. There are three main areas of improvement to achieve FAI’s XT range which are the characteristics of the wishbone bush, the bearing mechanism and the increased diameter of the ball pin. All XT range ball joints are packed with a high performance grease specially designed for lifetime lubrication with high corrosion protection under extreme conditions and excellent water resistance.
The XT range of control arms face tough and stringent endurance tests. Testing consists of 2 steps; the 1st step is 500,000 cycles with 300kgf (kilogram force) and then a further 300,000 cycles at 300kgf. The tests measure the deformation of the axial clearance and rotational torque over long periods of tough driving conditions. Tests have shown a significant reduction of over 10% deformation increasing the strength, durability and longevity reducing the risk of failure considerably.