I am interested in IH774 (8037 L1100G8340 L1110G53402 LR1100711 LR1100711B LR1110709B 231000L700 231000L701) Alternator Voltage Regulators.I want to know how much it will cost for the IH774 voltage regulator and I would like to purchase about 10 and 10 of the rectifier IHR773 .