Powermaster 12SI GM Alternator 100 Amp 1V Pulley 1&3 Wire RS00400108 05-01412 - Silicone Coupling 4-3/4

05-01412 - Silicone Coupling 4-3/4 IN ID

8 AN Female O-Ring Inlet

150 GPH HP Fuel Pump

Improve Tire Life

square Bore

Powermaster 12SI GM Alternator 100 Amp 1V Pulley 1&3 Wire RS00400108 05-01412 - Silicone Coupling 4-3/4Product Description: Alternator GM Original Look 12SI 100 amps 12V 1 Wire 3 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.