OK WANT TO PUT A SHAKER HOOD ON MY 1971 CUDA.ANYONE KNOW IF POSSIBLE TO BUY COMPLETE AIR CLEANER ASSEMBLY???BUBBLE,BASEPLATE,GRILLS,RUBBER ECT.HARD TO BUY PIECE BY PIECE AS I DONT EVEN KNOW WHAT PIECES I NEED.IS THERE A DIAGRAM SOMEWHERE.AND WHY DOSENT SOMEONE SELL COMPLETE???THEY WHOULD SELL.TY FOR ANY INFO GPWHLS