Bilstein B3 OE Replacement (Air)-Air Suspension Spring (40-221618) 1641 NS3-XTSS kit features an Xtreme

NS3-XTSS kit features an Xtreme pressure plate for the most demanding driver

VW015X is an ACT Xtreme pressure plate that uses exclusive diaphragm design to increase clamp load

They're DOT and FMVSS No

This kit utilizes 4-ply high temperature and oil resistant silicone couplers and stainless steel clamps to deliver dependable performance under the most demanding driving conditions

Bilstein B3 OE Replacement (Air)-Air Suspension Spring (40-221618) 1641 NS3-XTSS kit features an XtremeThe Bilstein B3 air spring provides a perfect driving experience under high load, due to the constant counter pressure in the bellows of the air spring. This is an optimum OE replacement for vehicles in which the air spring and shock absorber are installed as separate units. Bilstein B3 OE Replacement (Air) suspension air bags are designed to replace the original suspension air bags on select European brand vehicles. Bilstein is an OE supplier for air