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Engines and Components› Engine Bearings

ACL

ACL Chevy V8 4.8/5.3/5.7/6.0L Race Series Standard Size Main Bearing Set

$247.84 $145.79 Save $102.05

SKU: A002 5M7298HX-STD

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

Easy — 1–2 hours

Overview

The ACL 5M7298HX-STD is a standard size main bearing set designed for high-performance applications. It is constructed from Trimetal material, known for its durability and performance under demanding conditions.

They are suitable for a range of popular 4, 6, and 8-cylinder applications.
Show original supplier description

Part #: 5M7298HX-STD

GM LS Gen III - IV main bearing set 270 degree oil groove - extra .025mm / 0.001" oil clearance

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 5M7298HX-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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