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The ACL main bearing set for Chevrolet 400 V8 engines (1970–1980) supplies matched crankshaft main bearings for engine rebuilds. These bearings replace worn mains to restore correct oil clearance and crank support in the factory 400 V8. Fitment is specific to the Chevrolet 400 family for the listed years; use this set during overhaul or maintenance to return the bottom end to proper bearing spec.
ACL Chevrolet V8 400 1970-80 Engine Crankshaft Main Bearing Set
