Noun
crossmember (plural crossmembers)
(architecture) A transverse structural support
An additional third floor pan crossmember improves torsional rigidity and expandable foam has been utilized in body pillars as well as marked reduction in noise, vibration and harshness (NVH). Source: Internet
Hooker BlackHeart has quickly become the leader in LS engine swaps and we are excited to offer this crossmember for 68-72 GM A-Body Convertible and El Camino vehicles with LS engines. Source: Internet