Specifications
- Brand
- Eagle
- Part #
- 638733913
- UPC
- 793348061016

Eagle Chevy LS1 3.900in Crank 58 Tth Reluctor 6.125in I-Beam Rods 3.913in Pistons Rotating Assembly
$2708.40
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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 3.913-inch pistons.
- Crankshaft is 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 LS1 engine rebuilt and ready for the track.
This assembly features a 3.900-inch stroke crankshaft, which is a common choice for LS1 builds aiming for increased displacement and torque. It's paired with 6.125-inch I-beam connecting rods. I-beam rods are a popular choice for their strength and relatively light weight, making them a solid option for racing applications where every pound counts. The kit also includes 3.913-inch pistons, which are sized to match the crankshaft and bore for optimal compression and performance. The crankshaft is also configured with a 58-tooth reluctor wheel, essential for proper engine management on LS1 platforms.
When you're putting together a performance engine, having a balanced and matched rotating assembly from a reputable brand like Eagle can save you a lot of time and guesswork. This kit is intended for racing use and is not CARB approved, meaning it cannot be shipped to California. Make sure to check all manufacturer installation guidelines before beginning your build.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 638733913
- UPC
- 793348061016
Frequently Asked Questions
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