Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-120-DV] Brand_TRAC Outdoors Made from an environmentally friendly

Made from an environmentally friendly PVC foam specially formulated for marine applications

Bronze body/ 316 stainless ends

Dual sensing—senses charge on both battery banks

The 2-hole AMPS pattern on the back of the cradle and included hardware allows for the attachment of a RAM® diamond ball base – compatible with a wide range of additional RAM® components

G (inch) 2-3/64"

Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-120-DV] Brand_TRAC Outdoors Made from an environmentally friendlyAlternator 120 AMP 12V 1 2" Single Foot Spindle Mount Dual Vee Pulley with Isolated Ground Alternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1 2in, Dual Deep Vee 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