Part# CAL-3150-lowBkt; Small Block Chevy 283, 307,350, 383, Chromed steel alternator support mounting brackets to suit our Cal Custom early GM Style chrome alternator 100 Amp single wire. This bracket mounts the alternator in the low position just off to one side of the motor in fornt of the lower part of the block, about in line with the balancer. Inlcudes parts as you see pictured here. Suits Short Water Pump.