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The ACL Race Series oversized 0.025mm main bearing set for Nissan SR20DE/DET GTiR is a high-performance replacement intended for engine rebuilds and race applications. This main bearing kit includes five oil holes in the upper shells to support oil flow. It’s offered as a precision-oriented component for enthusiasts and technicians working on SR20 engines.
ACL Nissan SR20DE/DET GTiR 0.025mm Oversized High Performance Main Bearing Set - 5 oil holes in uppe
