March Performance P2556-08 Alternator GM 10SI 140 Amp 12V 1-Wire Aluminum Case Black

The March Performance P2556-08 Alternator is designed for reliable power delivery with a 140 Amp output at 12 volts, specifically compatible with GM vehicles. This Ultra Series alternator features a durable aluminum case finished in black paint, providing enhanced heat dissipation and corrosion resistance for long-lasting performance. Its compact design and single V-belt pulley make installation straightforward, making it suitable for various automotive applications where a high-output alternator is required. The 10SI series is known for its dependable 1-Wire connection, simplifying wiring and reducing installation time. Whether upgrading OEM components or customizing a performance build, this alternator offers consistent electrical output and robust build quality. The unit is ideal for applications demanding increased electrical capacity without sacrificing reliability or efficiency, especially in vehicles with additional electronic accessories or modifications. Backed by March Performance’s reputation for quality, this alternator ensures your vehicle's electrical system remains stable and efficient under demanding conditions.

Features:

• High output of 140 amps at 12 volts for demanding electrical loads

• Durable aluminum case with black finish for heat dissipation and corrosion resistance

• Ultra Series design for reliable performance and longevity

• Single V-belt pulley compatible with standard drive belts

• Easy-to-install 1-Wire connection for simplified wiring