Main Bearing Set

Build a strong foundation for your classic's engine rebuild with this replacement main bearing set. Designed to support the crankshaft and help reduce friction, these bearings help keep your classic's engine turning smoothly. This Main Bearing Set fits 1946–1948 Mercury Mercury; 1939–1941, 1946–1947 Ford Deluxe; 1941–1942, 1946–1947 Ford Super Deluxe; 1940 Mercury Series O9A; 1939 Mercury Series 99A and other models.

• Engine: 221 cid (3.6L) V8; 239 cid (3.9L) V8
• Bearing Size: Available in standard size and in 0.001 in, 0.002 in, 0.010 in, 0.020 in, 0.030 in and 0.040 in undersize
• Fitment Notes: 1939–1941 Ford Deluxe, 1941 Ford Super Deluxe, 1941 Ford Model 11 A, 1942 Ford Super Deluxe and 1942 Ford Model 21 A Deluxe applications are for the 221 V8 with the 21 stud head and a 2.499 in main bearing journal. The 1948 Mercury application is for engines with a 0.487 in locking lip.