Ford FE 390/427/428 Main Bearings 1966-1976 King MB559AM30

King main bearing set for the Ford FE 390/427/428 (1966-1976). Listed for one application: Ford FE 390/427/428 engines, 1966-1976, in Ford, Mercury applications. Confirm your engine code and year against this listing before ordering.

What it does

Main bearings carry the crankshaft in the block. Low oil pressure, debris or detonation wipe them, and a spun main is an engine-out event. A new set at the correct size (standard or undersize) is part of every rebuild.

Fits

• Ford vehicles with the Ford FE 390/427/428 engine, 1966-1976
• Mercury vehicles with the Ford FE 390/427/428 engine, 1966-1976

Fixes

• a deep knock that follows engine load
• low hot oil pressure with a worn pump ruled out
• any crank-out rebuild

What's included

• a full main bearing set with thrust bearing at the stated size

Specifications

• Brand: King
• Part number: MB559AM30
• Shipping weight: 1.95 lb
• Condition: new
• Product type: Main Bearings

Cross-reference

Replaces or interchanges with King MB559AM30 for the Ford FE 390/427/428. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.