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Engines and Components Engine Bearings

ACL

ACL Nissan SR20DE/DET GTiR Standard Size High Performance Main Bearing Set - 5 oil holes in upper

$121.35 $71.39 Save $49.96

SKU: A002 5M2975H-STD

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In Stock
Ships by Sep 1
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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
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Overview

The ACL 5M2975H-STD is a set of standard-size, high-performance main bearings designed for the Nissan Pulsar GTI-R N14 SR20DET engine. These bearings are made from F780 material and feature 5 oil holes in the upper half for enhanced lubrication.

This set includes both upper and lower bearings. The shaft diameter compatibility ranges from 54.956 mm to 54.98 mm (2.1636 in to 2.1646 in), with a minimum standard tunnel size of 58.944 mm.
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Part #: 5M2975H-STD

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandACL
Part NumberA002 5M2975H-STD

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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