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Engines and Components› Engine Bearings

ACL

ACL Nissan SR20DE/DET GTiR 0.25mm Oversized High Performance Main Bearing Set - 5 oil holes in upper

$121.35 $90.52 Save $30.83

SKU: A002 5M2975H-.25

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Easy — 1–2 hours

Description

The ACL 5M2975H-.25 is a set of tri-metal engine main bearings designed for specific Nissan applications. These bearings are undersized by 0.25mm and feature upper and lower halves with a standard oil clearance.

The technical specifications include a tunnel size of 58.944/58.968mm, a width of 0.752 inches, an outside diameter of 2.3216 inches, and a shaft diameter of 2.1646 inches. This particular set includes five oil holes in the upper bearing.

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Specifications

BrandACL
Part NumberA002 5M2975H-.25

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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