Engines and Components› Pistons and Piston Rings

Manley Performance

Manley SB CHEV LS MAIN BEARINGS P SERIES ST

$196.43

SKU: M004 33030

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Manley 33030H is a set of main bearings designed for Small Block Chevrolet LS engines. They are manufactured from premium bearing materials to maintain precise clearances, offering excellent load capacity, fatigue resistance, and durability under extreme conditions. The design is optimized for proper crankshaft support and oil film stability, helping to reduce friction and ensure long-term performance.

Fitment

Fitment Guaranteed

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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

BrandManley Performance
Part NumberM004 33030

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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