Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-100-DV] Gift Cards Power ratio - 1: 19

Power ratio - 1: 19

Studs are 1/4"-20 x 1-1/2"

Adjusts From 15″ To 21-1/2″ Use As Seat Or Leaning Post

The choice of boat manufacturers and consumers alike

Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-100-DV] Gift Cards Power ratio - 1: 19Alternator 100 AMP 12V 1 2" Single Foot Spindle Mount Dual Vee Pulley with Isolated Ground Alternator, 621 Series, 100A, 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