0-HPI104138 Titan Idler Gear Shaft: Blitz, E-Firestorm <p><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">Upgrade your HPI BLITZ truck with this Titanium Gear Shaft for the transmission. This part replaces the stock steel shaft with a high-tech titanium shaft, precision machined from strong and lightweight aerospace titanium. This is a bolt-on high performance option part for BLITZ and E-Firestorm trucks.</font></p>