Specifications
- Brand
- Eagle
- Part #
- 638763903
- UPC
- 793348061351

Eagle Chevy LS1 3.900in Crank 58 Tth Reluctor 6.125in I-Beam Rods 3.903in Pistons Rotating Assembly
$2822.71
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Eagle Pro Street rotating assembly for Chevy LS1. Built for naturally-aspirated racing.
Key Features
- Fits Chevy LS1 engines.
- Features a 3.900-inch stroke crankshaft.
- Includes 6.125-inch I-beam connecting rods.
- Comes with 3.903-inch pistons.
- Equipped with a 58 tooth reluctor wheel.
- Designed for naturally-aspirated racing applications.
⚠️ 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
Product Details
Eagle is well-known for making strong internal engine components, and this Pro Street rotating assembly is a prime example of their work for Chevy LS1 engines. If you're building a naturally-aspirated racing engine, this assembly is designed to handle the demands of that kind of performance. It’s a complete package that brings together the core rotating parts you need to get your engine project moving forward.
This assembly features a 3.900-inch stroke crankshaft, which is a key component for determining your engine's displacement and power potential. Paired with it are 6.125-inch I-beam connecting rods. I-beam rods are a popular choice for performance applications because they offer a good balance of strength and weight. The assembly also includes 3.903-inch pistons, which are sized to match the crankshaft and bore for optimal performance. The 58 tooth reluctor wheel is included, which is essential for the engine's computer to correctly read engine speed. This is a well-built rotating assembly that gives you the foundational pieces for a serious naturally-aspirated LS1 build.
When considering a rotating assembly like this, it's important to note that it is not CARB approved and cannot be shipped to California due to emissions regulations. Always ensure your build plans comply with local emissions laws. This assembly is a significant step in building a high-performance engine, and careful attention to balancing and installation will be crucial for its longevity and performance.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 638763903
- UPC
- 793348061351
Frequently Asked Questions
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