Part Number: ESR641 Direct Plug in Replacement Better than OEM replacement Regulator/Rectifier Uses our latest regulation circuitry for optimum system voltage Manufactured with modern high grade components for optimal performance Comes with a Full One Year Warranty ESR641 is a modern high quality regulator/rectifier that is a plug in replacement for the stock Honda regulator. We incorporated the latest generation of our Power Circuit and built it inside our efficient heat sink unit. ESR641 offers superior performance compared to the OEM unit. Voltage regulation is stable and the advanced heat sink ensures that our ESR641 runs much cooler than the stock regulator/rectifier. ElectroSport offers ESR641 with a full one year warranty.. Fits: 1986-87 Honda VT700C Shadow1988 Honda VT800C Shadow Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Electrosport Plug-In Regulator|Rectifier Part Number ESR641 Fitment Type Unit Sale Qty Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston/Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End/Tip Style Windshield Height Windshield Width Handlebar Diameter Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer Items Included Fitments