Highly recommended for all 1939-53 Flathead Ford/Mercury with aluminum heads. Flathead decks are thin and their threads are easily stripped. The outer end of these Grade 8 studs have fine threads and with the hardened washers (included) which prevent galling and ensure accurate torque readings.
Full set of head studs, nuts and washers for one engine. Specify year of engine: 1939-48 or 1949-53.
560-13953 Instructions (PDF)