When extra rear grip is needed on sealed or carpet tracks, the XRAY 363315 aluminum rear lower suspension holder is a targeted upgrade. Mounted at the front of the rear suspension, the 1-degree toe-in helps the XB4 gain traction and stability where it matters.
This holder brings the inner pivot nearer to the chassis center, enabling a range of suspension arm lengths and geometry setups. The narrower stance is aimed at drivers who want more rear-end grip and tighter cornering response.
The I.S.S. makes adjustments quick and repeatable. Using eccentric bushings plus shims allows precise changes to toe and pivot for tuned handling at different venues.
This aluminium rear lower suspension holder is well suited for XB4 racers focused on traction and setup flexibility. Its robust construction and I.S.S. features support precise race setup work.
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