Engines and Components Engine Bearings

ACL

ACL Bearings Mitsubishi 4 1597-1997cc 1971-92 1.25

$21.55

SKU: A002 4B1146-1.25

Out of Stock
In Stock
Ships by Jun 19
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The ACL 4B1146-1.25 is a set of engine rod bearings designed for high-performance applications. These bearings are constructed with a tri-metal material featuring hardened steel backs for enhanced durability and support. They are available in standard and oversized options, including STD, .025, and .25mm.

Key features include a high-strength overlay plate with improved fatigue properties, increased crush for better retention, and enlarged chamfers for performance crankshafts.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandACL
Part NumberA002 4B1146-1.25

Buy with Confidence

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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