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ACL

ACL Olds. V8 260-307-350-403 1964-90 Engine Crankshaft Main Bearing Set

$52.80 $47.86 Save $4.94

SKU: A002 5M805A-20

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The ACL Bearing 5M805A-20 is a set of main bearings designed for Oldsmobile V8 engines. This direct-fit replacement is compatible with 260, 307, 350, and 403 cubic inch V8 engines manufactured between 1964 and 1990.

Constructed from bimetal aluminum, these bearings meet modern environmental and performance standards.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandACL
Part NumberA002 5M805A-20

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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