Vintage GMC 4:71 Blower/Supercharger Fresh Rebuild, Set up for Gas. Nice piece, Stock Bearing plates, Blower was rebuilt by Gary Roushkolb, he triple pins the Rotors, sets clearances, welds up around the bearing housings adding material then remachines to reinforce the Plates, the small welds you see can be smoothed out and are only from weld penetration from that process. This is heavy and shipping has become pricey. ASK QUESTIONS IF INTERESTED. SOLD!!