All Balmar Alternators come with your choice of pulley at no extra charge. Please make your selection above. The pulley will be added to your cart at no cost, and will be installed on your alternator by the factory.

Click here for our Pulley Selection Guide.

• 12 Volt, 100 Amp
• Minimum Belt Width: 1/2" Single
• High Performance Rated to 10,000+ RPM
• Dual Internal Fans Improve Cooling Efficiency
• Great As A Stand-Alone Unit For Trailer Boats
• Isolated Ground Terminal Ensures Proper Grounding
• Meets USCG, ISO, SAE, CE Ignition Protection Standards
• Safe For Use On Gasoline or Diesel Engines
• Models for 3.15" & 4" Saddle and 1" & 2" Single-foot Mounts
• External Regulator: OPTIONAL (Strongly Recommended)
• One Year Limited Warranty

• (1) Balmar 60-100-SR-IG Alternator with your choice of pulley installed
• (1) Balmar MaxCharge Voltage Regulator
• (1) B02-1010 Wiring Harness
• (1) B02-MC-TS-A Alternator Temperature Sensor
• (1) B02-MC-TS-B Battery Temperature Sensor
• (1) B02-6-0020 Hardware Kit
• SAVE $$$!