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Main Bearings

Overflange length remains constant for standard and undersizes. Get the best is the industry - "Clevite 77" Bearings. Used by expert mechanics and tough enough for race applications.

Part# BW-MS87630P

Main Bearings .030 undersize set. 1961-71 383 and 1972-73 440 V8 engines with o.d. of flange at 3.450"

Compatibility: Multiple models

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