Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley Dzus Fastener We have removed all lightening

We have removed all lightening pockets and counterbores that weakened the base

Faster Start Up

0/30 Ohm Fuel Level Sending Unit

Extremely Durable Lightweight Aluminum Construction w/Black Finish

Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley

Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley Dzus Fastener We have removed all lighteningProduct 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.