Balmar Alternator 170 Amp 12V Single Foot Internal Regulator K6 Pulley One Size. 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 Amperage: 170 amps Voltage: 12 volts Package Contents: Balmar Alternator 170 Amp 12V Single Foot Internal Regulator K6 Pulley Balmar XT-SF-170-IR: Alternator 170 Amp 12V Single Foot Internal Regulator K6 Pulley One Size