Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley Helmet Air System Blower 1991-1995 GMC K2500

1991-1995 GMC K2500

External Clutch PistonThe clutch piston

manufactured from 6061-T6 aluminum

Transmission Center Support

Kit includes aluminum box mount

Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley Helmet Air System Blower 1991-1995 GMC K2500Product Description: Alternator GM Original Look 12SI 150 amps 12V 1 Wire Single V Belt Pulley Straight Mount Aluminum Case Natural GM Sold Individually Powermaster produces alternators and starters for both street rod and racing applications. They also offer related accessories, including brackets, wiring harnesses, pulleys, and drive kits. Powermaster Motorsports is the leader in high performance alternators and starters for auto racing.