These new CNC cut T6 aluminum firewalls are super Lite and strong. Designed around the popular P22 gearbox, and bolt patterns for gearboxes with 16x19mm spacing and 17x17mm spacing. Works for Powerline, Mega, Neu P22, Riva. These precision firewalls are perfect for those Extreme lite setups where weight is important. Designed for 30mm fuse models.