AlternatorPro Series Alternator KitPro Series Alternator Kit; Snug Mount; 55 Amp; Incl. Alternator PN[8162]/Alternator Pulley [181]/Crank Pulley [295]/Bracket [880]/Belt [7292]; For Drag Racing Use Only;SPECIFICATIONS:Amperage: 55 AMPFEATURES:Fits Big Block Chevy55 Plus Amps At Top End/30 Plus Amps At IdleMachined From Billet Aluminum For Light Weight And DurabilityHardcoat Anodized Pulleys For DurabilitySnug Mount On Either Side Of The EngineBracket Pre-assembled For Your ConvenienceEasy to install. Solves low voltage problems.Manufacturer of starters and alternators for racing and show cars