What better way to modernize your hot rod, street rod, or classic truck than installing a Chevy Performance LT4 engine. All American Billet Serpentine Kits are a great way to take the guess work out of your engine swap and makes this upgrade just that much easier. This kit is available in a variety of finishes: Machined, Polished, and their exclusive Silverline Series (anodized black with machined contrast cuts). Each kit includes Sanden Peanut style AC compressor, 160 amp alternator, GM Type II Power Steering pump, brackets, tensioners, stainless steel mounting hardware and instructions.Uses factory water pump and crank pulley / harmonic damper.