This is a OEM GM passenger side exhaust manifold for a Big Block Oldsmobile engine. This manifold recently came out of the estate of a life long Oldsmobile enthusiast. This owner has collected a good number of factory performance parts and I plan to list all of them here on Ebay as time allows. The casting number on this manifold is 402294 and the casting mark is Z as shown. From what I have found online, this manifold is specific to factory dual exhaust systems and is quite hard to find. Please confirm your specific application. 

This manifold is in good unrestored condition as shown. The finish is very nice with no significant pitting. I see no breaks, repairs, or modifications to this manifold other than the pipe flange bolts being broken off in the threads as shown. This is a real deal factory exhaust manifold, not a reproduction. 

This is your chance to own the real deal factory Big Block Olds passenger side dual exhaust manifold you have been searching for at a GREAT PRICE. Don't Miss Out!

Check out my other listing for more rare and hard to find parts including for Oldsmobile parts. 


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