PROFORM 141-656 Bowtie Chrome 73-86 GM 10SI Alternator, 70 Amp, 12V

Upgrade your classic GM vehicle with the PROFORM 141-656 Bowtie Chrome 73-86 GM Alternator. This 10SI-style alternator delivers 70 amps of reliable charging power at 12 volts and is designed for select Chevrolet and GM applications from 1973 through 1986. Its three-wire configuration and internal regulator support dependable electrical performance while maintaining a traditional installation layout.
The alternator features a single V-belt pulley and an aluminum case finished in bright chrome for a clean, show-quality appearance under the hood. A Chevrolet Bowtie logo adds authentic styling that complements vintage GM engine compartments and restoration projects. The compact, familiar 10SI design makes this unit a practical choice for street cars, trucks, and other classic applications requiring a dependable replacement or upgrade.
Installation should be verified against your vehicle’s existing mounting arrangement, wiring configuration, pulley alignment, and charging requirements before purchase. The PROFORM 141-656 is supplied as a complete alternator assembly for applications using compatible GM mounting and belt-drive components. Its internal regulator helps simplify the charging system by incorporating voltage regulation within the alternator housing.
Whether used for a restoration, custom build, or routine replacement, this PROFORM alternator combines functional charging capability with distinctive chrome styling. The 70-amp output is suitable for many traditional GM electrical systems and provides dependable support for standard vehicle accessories. Confirm application compatibility and electrical connections to ensure proper fit and operation.

Features:

• 70-amp output provides dependable charging performance for compatible classic GM electrical systems

• 12-volt, 10SI-style alternator designed for select 1973-1986 Chevrolet and GM applications

• Three-wire configuration supports traditional GM charging system installations

• Internal regulator simplifies voltage regulation within the alternator assembly

• Single V-belt pulley is designed for compatible classic GM belt-drive systems

• Chrome aluminum case delivers a bright, show-quality underhood appearance

• Chevrolet Bowtie logo adds authentic styling for restorations and custom builds