Eagle Specialty Products 10350375057I 3.75″ Cast Steel Crankshaft for Small Block Chevy

Description

Product Overview

The Eagle 3.75″ cast steel crankshaft is engineered specifically for Small Block Chevrolet engines, delivering a perfect blend of strength, precision, and durability. Constructed from high‑grade forged steel, the crankshaft provides superior fatigue resistance and maintains critical balance at high RPMs, ensuring smooth power delivery and reduced vibration. With a 3.75″ stroke, the crankshaft matches the OEM specifications of part number 10350375057I, guaranteeing a direct fit without the need for modifications. The design incorporates fully machined counterweights, precision‑ground bearing journals, and a robust main web that can withstand the rigors of both street and track use. This product is a drop‑in replacement that meets or exceeds the original equipment standards, making it an ideal choice for performance enthusiasts, rebuild projects, and high‑output applications.

Usage

Designed for a wide range of applications, this crankshaft excels in both daily driver rebuilds and high‑performance builds. Whether you are restoring a classic Small Block Chevy, upgrading a modern engine for increased horsepower, or assembling a race‑ready powerplant, the Eagle crankshaft provides the reliability and strength required. Its forged steel construction makes it suitable for high‑compression builds, forced induction setups, and engines that see frequent high‑load conditions. The crankshaft’s precise tolerances ensure seamless integration with standard connecting rods, pistons, and main bearing caps, reducing the need for additional machining. Ideal for automotive workshops, performance shops, and dedicated DIY mechanics, the product supports a variety of fuel types, including gasoline, ethanol blends, and racing fuels, delivering consistent performance across all operating environments.

Why Choose Us

Choosing Eagle Specialty Products means selecting a brand with a long history of delivering high‑quality performance components. Each crankshaft undergoes rigorous quality control processes, including ultrasonic testing, magnetic particle inspection, and dynamic balancing, to ensure that every unit meets strict industry standards. Eagle’s commitment to precision engineering translates into a product that offers exceptional longevity, reduced wear on bearings, and improved engine efficiency. In addition, Eagle provides comprehensive technical support, detailed installation guides, and a responsive customer service team ready to assist with any questions or concerns. With a reputation for reliability and a track record of satisfied customers, Eagle’s crankshaft stands out as a trusted solution for demanding engine builds.

Key Features

• Forged steel construction delivers unmatched strength and fatigue resistance for high‑performance applications.
• Precision‑machined counterweights ensure optimal balance, reducing engine vibration and extending component life.
• Exact OEM dimensions guarantee a direct fit for Small Block Chevy engines without additional modifications.
• Fully tested for durability, including ultrasonic and magnetic particle inspections to detect any internal flaws.
• Backed by Eagle’s dedicated customer support and after‑sales service for peace of mind.

FAQ

What engines are compatible with this crankshaft?

The Eagle 3.75″ cast steel crankshaft is compatible with all Small Block Chevrolet engines that use the OEM part number 10350375057I, including classic 350, 400, and later small‑block variants.

Do I need to replace any other components when installing this crankshaft?

While the crankshaft is a direct replacement, it is recommended to inspect and, if necessary, replace main bearings, rod bearings, and oil pump components to ensure optimal performance and longevity.

Is this crankshaft suitable for high‑compression or forced‑induction builds?

Yes. The forged steel material and robust design make it well‑suited for high‑compression ratios, turbocharged, or supercharged applications where additional strength is required.

What warranty does Eagle provide for this crankshaft?

Eagle offers a limited warranty covering manufacturing defects for a period of one year from the date of purchase, along with technical assistance for installation and performance questions.

Can this crankshaft be used in race‑only applications?

Absolutely. The crankshaft’s high‑strength construction and precise balancing make it an excellent choice for both street‑legal and race‑only builds, delivering reliable performance under extreme conditions.