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The ACL Race Series 0.25mm oversized main bearing set for the Nissan VR38DETT (GT‑R) is a high-performance bearing kit intended for engine rebuilds that require oversized mains. These precision-machined main bearings restore correct clearances after block machining and provide durable support for demanding VR38DETT applications where accurate oversize sizing is necessary for reliable rotating assembly performance.
ACL Nissan VR38DETT (GT-R) 0.25 Oversized High Performance Main Bearing Set
