Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley w/Isolated Grounding [621-120-K6] Marine Hardware | Latches Tinned copper 10mm (3/8") studs

Tinned copper 10mm (3/8") studs

Built-in 10 Amp Charge Controller manages the charge to the battery and prevents overcharging

The alternator that comes with the engine is not optimally suited for charging service batteries

to offer a powerful 60deg beam pattern for unmatched visibility

Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley w/Isolated Grounding [621-120-K6] Marine Hardware | Latches Tinned copper 10mm (3/8") studsAlternator 120 Amp 12V 1 2" Single Foot Single K6 Pulley with Isolated Grounding Alternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1 2in, K6 Serpentine Pulley, Isolated Ground 1 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. This