What is the main benefit of the 4340 alloy steel construction?

The 4340 alloy steel construction provides enhanced strength and durability, making the crankshaft well-suited for high-performance and demanding engine applications. This material is known for its ability to withstand significant stress and heat.

How does the lightweight design improve engine performance?

The lightweight design, achieved through features like gun-drilled mains and lightened rod journals, reduces the crankshaft's rotational mass. This can lead to improved engine response and a quicker spool-up time, especially in performance-oriented builds.

What quality assurance steps does Manley perform on these crankshafts?

Each crankshaft undergoes a rigorous quality assurance process that includes stress relief, shot peening, and 100% magnafluxing. These steps ensure the crankshaft meets Manley's stringent quality standards for durability and reliability.

Specifications

Brand: Manley Performance
Part #: 193958
UPC: 807298092683

Manley Chevrolet LS Lightweight 4340 Forged 3.2622in Stroke Pro Series Crankshaft w/58T Reluctor

Name: Manley Chevrolet LS Lightweight 4340 Forged 3.2622in Stroke Pro Series Crankshaft w/58T Reluctor
Brand: Manley Performance
SKU: manley-performance-manley-chevrolet-ls-lightweight-4340-forged-3-2622in-stroke-p-t14-92543
Price: 1506.48 USD
Availability: BackOrder

$1506.48

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Manley Chevrolet LS Lightweight 4340 Forged 3.2622in Stroke Pro Series Crankshaft w/58T Reluctor. A well-built crankshaft for performance LS builds.

Key Features

Fits Chevrolet LS engines.
Forged from 4340 alloy steel for enhanced strength and durability.
Features a 3.2622-inch stroke and a 58-tooth reluctor wheel.
Lightweight design with gun-drilled mains and lightened rod journals.
Fully profiled counterweights for precise balance and stability.
Multi-step heat treatment and nitriding process for increased strength and longevity.

This crankshaft is designed for Chevrolet LS engines. Please consult with a professional or refer to manufacturer specifications to confirm compatibility with your specific engine build.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

If you're building a high-performance Chevrolet LS engine, a strong crankshaft is the heart of the operation. This Pro Series crankshaft from Manley Performance is forged from 4340 alloy steel, a material known for its excellent strength and durability under demanding conditions. It features a 3.2622-inch stroke and a 58-tooth reluctor wheel, making it suitable for a wide range of domestic engine applications where improved performance is the goal.

Manley has packed this crankshaft with features to optimize your engine build. The lightweight design, achieved through gun-drilled mains and lightened rod journals, helps reduce rotational mass for better engine response. The counterweights are fully profiled to ensure precise balance and stability, which is crucial for high-RPM operation. To further enhance its strength and longevity, the crankshaft undergoes a multi-step heat treatment process and nitriding. The large radius journals are micro-polished to minimize friction, contributing to overall performance and efficiency.

Before it leaves Manley, each crankshaft is put through rigorous quality assurance checks, including stress relief, shot peening, and 100% magnafluxing. This attention to detail ensures you're getting a well-built component that meets stringent quality standards. This crankshaft is a solid option for anyone looking to build a robust and powerful LS engine.