New spring/summer store hours are coming soon! Starting Monday, February 26th, stores are closed on Mondays, and hours change from Tuesday through Friday. Please review carefully. There are no changes to Saturday and Sunday hours.
ESR541 is a high-quality regulator/rectifier that is a plug-in replacement for the OEM Polaris regulator while offering superior performance. The housing is a very efficient heat sink allowing for cool running and vastly improved reliability compared to the stock regulator.