Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley 359602 measure the distance between plates

measure the distance between plates front and rear

Hard-coat anodized for extended durability

Gasket Cast Aluminum Tall Valve Covers - Polished

Black Face Blue LED

Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley 359602 measure the distance between platesProduct 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.