Powermaster Alternator - 220 amp - 12V - OEM 4-Pin - 6 Rib Serpentine Pulley - GM Brake Pedal Assembly Pro Series Head Stud Kits

Pro Series Head Stud Kits include aerospace quality nuts and parallel-ground

Use Edge’s Pressure Sensor to monitor data such as Boost PSI

NOTE: The 20-121 is not designed for use with some early model Holley carbs

Conforms easily to surface irregularities (warped flanges)

1974-1974 Plymouth Scamp

Powermaster Alternator - 220 amp - 12V - OEM 4-Pin - 6 Rib Serpentine Pulley - GM Brake Pedal Assembly Pro Series Head Stud KitsProduct Description: Alternator AD244 220 amps 12V OEM 4 Pin 6 Rib Serpentine Pulley 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.