Engines and Components› Crankshafts and Components

Summit Racing

Pro LS 4.000" Stroke Forged 4340 Steel Crankshaft

$83.99

SKU: SUM-180LS400058X

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In Stock
Ships by Aug 5
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Description

The Summit Racing Pro LS crankshaft is constructed from forged 4340 steel, ensuring durability for high-performance applications. It is engineered with a 4.000-inch stroke and designed for internal engine balance. Key specifications include a 6.098-inch rod length application, a 58-tooth reluctor wheel for electronic control, and a 1-piece rear main seal style. The crankshaft has a standard weight of 52.000 lbs. This component is suitable for use with 58X ECUs.

MIA's Description

The Summit Racing Pro LS crankshaft is a forged 4340 steel component designed for internal engine balance. It features a 4.000-inch stroke, a 6.098-inch rod length application, and a 58-tooth reluctor wheel. This crankshaft has a standard weight of 52.000 lbs.

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Specifications

BrandSummit Racing
Part NumberSUM-180LS400058X
CategoryEngines and Components

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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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