RECENTLY DISCOVERED IN OUR INVENTORY. 

BELIEVED TO BE FACTORY OEM MERCURY. PLEASE CONFIRM YOUR APPLICATION.

1950s Mercury Exhaust Manifolds CASTING NUMBERS ARE: 

80M9430   C 21N

80M9431   D 12 

KNOW YOUR APPLICATIONS  

VERY GOOD CONDITION PICTURES ARE EXACT ITEMS.  

PLEASE ASK ANY QUESTIONS BEFORE BUYING, SALE IS FINAL AND NO RETURNS.

QUOTED SHIPPING IS FOR DOMESTIC U.S. ONLY. 

THANKS FOR LOOKING