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ACL main bearing set for Nissan QR25 engines, oversized by 0.25mm, provides replacement bearings matched to machined crank journals. These oversize bearings restore proper clearance after crank grinding and are manufactured to OEM tolerances to support reliability during rebuilds. Select this 0.25mm set when your crank requires undersized journal correction.
ACL Nissan QR25 0.25mm Oversized Main Bearing Set
