Specifications
- Brand
- Eagle
- Part #
- 137754125
- UPC
- 793348047683

Eagle Chevy LS7 3.800in Crank 58 Tth Reluctor 6.125in H-Beam -5cc 4.125in Pistons Rotating Assembly
$2897.84
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Eagle Chevy LS7 rotating assembly with 3.800" crank, 4.125" pistons, and 6.125" H-beam rods. Built for racing.
Key Features
- Fits Chevy LS7 engines.
- Includes a 3.800 inch stroke crankshaft.
- Features 4.125 inch bore pistons with a -5cc dish.
- Equipped with 6.125 inch H-beam connecting rods.
- Has a 58 tooth reluctor wheel for crank trigger.
- Designed for competition racing use, including nitrous and forced induction.
⚠️ 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
This is the Eagle Chevy LS7 3.800 inch crankshaft, 4.125 inch piston rotating assembly, designed for high-performance LS7 engine builds. It features a 58 tooth reluctor wheel and 6.125 inch H-beam connecting rods, making it a solid choice for serious engine work. This assembly is intended for competition use, including applications with nitrous or forced induction, where robust internal components are essential for reliability and power delivery.
The assembly includes a 3.800 inch stroke crankshaft, which works in conjunction with the 4.125 inch bore pistons to achieve the desired displacement for your LS7 engine. The pistons are designed with a -5cc dish, which is crucial for achieving the correct compression ratio when paired with your specific cylinder heads. The 6.125 inch H-beam connecting rods are well-known for their strength and ability to handle the significant forces generated in high-RPM, high-horsepower engines. Eagle has a reputation for building well-made rotating assemblies that can withstand the rigors of racing, and this competition-level kit is no exception.
When undertaking a build of this magnitude, it's important to ensure all components are balanced and assembled correctly. This rotating assembly is a critical piece of the engine's foundation, and its quality directly impacts the overall performance and longevity of your LS7. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions and recommended balancing procedures for optimal results.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 137754125
- UPC
- 793348047683
Frequently Asked Questions
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