Upper front axle spring perch for VW Transporter T5 to Deep Version X-GWVW20 coilover - TA Technix

The spring seat is the upper mount of the shock absorber: it supports the weight of the front end and allows the strut to swivel when steering. A sharp cracking sound when steering at a standstill comes from its bearing.

Competition versions replace the rubber with a bearing and a rigid connection: direct feedback, zero deformation, and sometimes integrated camber adjustment - but everything absorbed by the shock absorber is transmitted into the body.