All American Billet Serpentine Kits are a great way modernize and clean up any engine compartment. What better way to modernize your hot rod, street rod, or classic truck than installing a Chevy Performance LT4 engine. Our kit takes the guess work out of your engine swap and makes the upgrade that much more easy. You now have the option of two different pulley styles, Classic Pulleys (no holes or cutouts) or our original pulleys (with the triangular cutouts), at no additional charge. Our kits come in Machined Finish, Polished, Chrome, our exclusive Silverline Series and Black Anodized. Each kit includes: Sanden peanut-style A/C 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/damper.