parts wanted

In search for a very specific and essential part for my 2004 pontiac grand prix must have visited over 100 auto parts sites and get the same finding the part has been discontinued. yes, also checked ebay. FYI The correct part number is GM 10354108 (related...

i HAVE PRETTY MUCH DECIDED TO UPGRADE FROM A 2 BBL CARB TO A SMALL 4 BBL DURING MY REBUILD. THIS BRINGS UP SOME QUESTIONS. WILL A STOCK 4 BBL MANIFOLD FIT ON A STOCK 67 400ci MOTOR THE MOTOR PRESENTLY IS A 2BBL 265 HP. IF SO, HAS ANYONE GOT ONE AVAILABLE? I REALLY WANT TO STAY WITH A...