Just received my SD Concepts serpentine kit today, been busting butt on the A/C install along with dual fans and all the wiring that comes with it while waiting on the kit so now it's time to finish it off. I couldn't help but head straight to the garage for a quick test fit to prepare myselffor the agony of trying to make anything fit in front of a BB in a 69 Charger (tight is an understatement). The pro's True single belt design with a tensioner. Side mounted A/C cleaning things up by keeping the plumbing on the correct side of the motor. Smaller alt also cleaning up more space. Cons No pulleys, you can buy the crank and water pump pulley or source them from the salvage yard. No tensioner but is readily available at most auto parts store. Reverse rotation water pump means you'll need to get the proper water pump and either get a reverse rotation fan or go electric. Power steering pump also needs to be swapped but for a smaller unit also easily available. For me the fitment and design is worth the effort. Here's what you get with the kit, my kit has a few extra brackets to compensate for the low deck A/C mount and for the 1 wire alt. Very nicely made and comes with all the correct fasteners. A quick peak at the main brackets loosely bolted on. 1 minor fitment issue that's caused by me running AN fittings for the heater plumbing (a standard nipple would clear) but I'll mill this enough to clear the nut. Here was my big concern, anybody who's ever worked on a 2nd Gen Charger knows your very limited on space. The arrow points to 1 of my 2 plans on making up the 3/4" of space I need to create, looks like trimming the fan bosses back 1/2" will push the motors in gaining 1/2". 2nd plan is to take a router to the mounting surface of the fans and gain another 1/4"-1/2"? This weekend I'll tackle the install but for now I need to track down a few more parts. - - - Updated - - - For those who haven't seen this kit yet.