The ACL .30mm trimetal oversized main bearing set provides clearance for Ford big-block V8 rebuilds with larger journal requirements. Service coverage includes 1968–1998 Ford V8 370, 429 and 460 engines. These main bearings are specified to preserve correct bearing clearance and crank alignment when installing oversized crankshafts during engine overhaul.

ACL 1968-1998 Ford Prod V8 370/429/460 .30mm Oversized Trimetal Main Bearing Set