This is A Mercury Marine Supercharger off of a 525sc. Complete set up includes:
Air cleaner, carb 1050 Dominator (needs a rebuild), blower (Weiand 177), blower belt, intake manifold, 3v Crank/blower pulley combo, harmonic balancer, distributer, and miscellaneous other pulleys and belts.
$1,500 obo. And I'll pay shipping.