Powermaster GM Original Look 12SI Alternator - 150 amps - 12V - 1-Wire - Single V-Belt Pulley - Straight Mount - Black Powder Coat - GM H770001XXX 1-1/8 in x 48 Spline

1-1/8 in x 48 Spline

Rotors are injection molded from Rynite ma┬ ¡terial for incredible strength and high dielectric properties

Competition arms feature race-quality spherical rod-ends for minimum deflection

The aFe Control Poly Control Arm Bushing Kit

Powermaster GM Original Look 12SI Alternator - 150 amps - 12V - 1-Wire - Single V-Belt Pulley - Straight Mount - Black Powder Coat - GM H770001XXX 1-1/8 in x 48 SplinePowermaster Alternator 57294 12si 140 Amp w 1 V Belt Pulley Baffle Charge Wire OE Look Black Ultimate Custom Billet Look At Affordable Prices Smooth Die Cast Housing w Teardrop Design Smooth Back w Special Powermaster Vents Gold Battery Post Proof Of Performance Tags Powermaster produces alternators and starters for both street rod and racing applications. They also offer related accessories, including brackets, wiring harnesses, pulleys, and drive