Engines and Components Crankshafts and Components

Manley Performance

Manley Chevrolet Big Block Forged Crankshaft - 4.625in Stroke

$1,444.75

SKU: M004 190400

In Stock
In Stock
Ships by Jun 13
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Manley Performance 190400 is a 4340 forged steel crankshaft for Big Block Chevy engines with a 4.625" stroke, 454 main journals (2.750"), and 2.200" rod journals. It features center counterweights and a bobweight of 2425 grams.

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

BrandManley Performance
Part NumberM004 190400

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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