Alternator 3.15" Dual Foot Saddle Dual V Pulley Regulator & Temp Sensor - 170A Kit - 12V Balmar 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 Saddle; Dual V Pulley Regulator & Temp Sensor; 170A Kit; 12V; This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. - cis2:mm5mnJlm -Specifications: Voltage: 12v; Amperage: 170A; Box Dimensions: 11"H x 11"W x 14"L WT: 18 lbs; UPC: 676205500968; Brochure (pdf)