Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley RS00100411 which is both FIA and

which is both FIA and SFI certified

Imperial Turbo

1975-1978 GMC C35 Standard Cab Pickup

Locked Out

Heavy Duty Two-way Brass Zipper

Powermaster 12si Alternator 150 amp 12V 1-Wire - Single V-Belt Pulley RS00100411 which is both FIA andProduct 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.