Description
Ultra Series GM CS130 Alternator
160 Amp - Cast Finish - Right Off-set
Power your system with the March Performance GM CS130 Alternator, designed with a right offset (passenger-side) mount and 6 and 2 o’clock mounting holes for easy installation. This 160-amp, one-wire alternator delivers consistent output with ultra-low cut-in voltage regulators, ensuring strong charging even at idle. Built with high-quality copper and steel internals, neoprene-sealed bearings for long life, and a durable cast finish, it’s engineered for reliable performance and longevity. Backed by the March Performance Lifetime Warranty, this alternator offers the perfect balance of durability, efficiency, and value.
Technical Details
Alternator Output Dyno Chart
March Performance Ultra Series alternators are engineered to deliver excellent charging performance throughout the RPM range, including at lower engine speeds. The graph below shows alternator output under both cold and hot operating conditions.

Additional Information
Product Type: |
Alternator |
Finish: |
As-Cast |
Amperage: |
140 |
Mounting Off-Set: |
Right |
Make: |
Chevy |