Nostalgic engines are hotter than ever with the early HEMI models topping the cool factor in classic hot rods. For anyone with a 392 HEMI, they're going to be excited to hear about MSD's Pro-Billet Distributor. The distributor shaft is guided by a sealed ball bearing while accurate trigger signals to fire the MSD Ignition Control. The Pro-Billet 392 Distributor, PN 83891, is based on a CNC-machined billet aluminum housing for incredible strength and precision tolerances.