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ACL main bearing set for Nissan QR25 engines, oversized by 0.75mm, supplies replacement bearings matched to machined crank journals. These oversize bearings restore correct oil clearance after crank grinding and are manufactured to OEM tolerances to sustain reliability during engine rebuilds. Use the 0.75mm set when your crankshaft service requires this specific undersized journal correction.
ACL Nissan QR25 0.75mm Oversized Main Bearing Set
