Looking for aftermarket parts to modify or upgrade your 1940 Mercury Series O9A with heads? At Tunersports.com we carry a huge selection of the top name brand performance head parts and accessories for your Series O9A.
Whether you have a 1940 Mercury Series O9A in Base trim we have you covered. We have 2 heads available to mod your Series O9A. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 1125Ford Flatheads feature the original Edelbrock script logo design for Fords and Mercurys, and are casted at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum. These heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. ... Edelbrock Cylinder Heads 38-48 Ford/Merc (Pair) 1940-1940 Mercury Series O9A Base $860.18 |
 SHIPS FROM MANUFACTURER 1126Ford Flatheads feature the original Edelbrock script logo design for Fords and Mercurys, and are casted at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum. These heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. ... Edelbrock Cylinder Heads 1939-48 Model Ford Flatheads w/ Block Letter Logo (Pair) 1940-1940 Mercury Series O9A Base $860.18 |