MerCruiser Inboard GM 350 454 482 1977-1987 Exhaust Elbow Riser 72963A 1, 72963A 7, 72963A 8, 72963A 9. Alternate part numbers 72963A1, 72963A7, 72963A8, 72963A9. Casting number 72963. Good condition from freshwater use. Lots of good metal left. Some rust & scaling. See pictures.

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