this OLED 100 Amp Meter provides many installation options
4oz (210g)
52MM OceanLink Bezel - Round - Black
It will fit a standard 3-3/8" circular instrument cutout in a dash
Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground Brand_Guest this OLED 100 Amp MeterAlternator 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