Alternator 3.15″ Dual Foot Saddle K6 Serpentine Pulley – 170A – 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved heat-sinking capabilities on all our alternators to ensure improved system reliability combined with increased charging power.Features:3.15″ Dual Foot SaddleK6 Serpentine Pulley170A12VThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications:Voltage: 12vAmperage: 170ABox Dimensions: 9″H x 10″W x 10″L WT: 14.5 lbsUPC: 676205500791Brochure (pdf)