Balmar 170 Amp 12V Single Foot Internal Regulator K6 Pulley Alternator. Alternator 170 Amp 12V Single Foot Internal Regulator K6 PulleyAlternator XT Series 170A 12V Spindle Mount (Single Foot) 1-2in K6 Serpentine Pulley Case Ground1 Motorola-Style Mounting; Typical for Westerbeke Lehman Hino & Pathfinder Engines 2 Delco-Style Mounting; Typical for Volvo Penta (Gas & Diesel) John Deere Perkins Mercruiser Pleasurecraft Crusader Indmar Marine Power & other GM-based Engines Specifications for Balmar Alternator 170 Amp 12V Single Foot Internal Regulator K6 Pulley: Manufacturer: Balmar Color: Black Voltage: 12 volts Amperage: 170 amps Package Contents: Balmar Alternator 170 Amp 12V Single Foot Internal Regulator K6 Pulley Balmar XT-SF-170-IR: 170 Amp 12V Single Foot Internal Regulator K6 Pulley Alternator