Specifications
- Brand
- Eagle
- Part #
- 138764125
- UPC
- 793348057569

Eagle Chevy LS7 3.900in Crank 58 Tth Reluctor 6.125in H-Beam 6cc 4.125in Pistons Rotating Assembly
$2988.97
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
Eagle Chevy LS7 rotating assembly with 3.900" crank, 6.125" H-beam rods, and 4.125" pistons. Built for racing.
Key Features
- Fits Chevy LS7 engines.
- Features a 3.900-inch stroke forged crankshaft.
- Includes a 58-tooth reluctor wheel for crank signal.
- Comes with 6.125-inch long H-beam connecting rods.
- Includes 4.125-inch bore pistons with a 6cc dish.
- The assembly is precision-balanced for smooth operation.
⚠️ 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 Eagle Competition Rotating Assembly starts with a 3.900-inch stroke crankshaft, forged from high-strength steel and balanced to tight tolerances. It's designed specifically for the Chevy LS7 engine and features a 58-tooth reluctor wheel for proper crank signal. This assembly is built to handle the demands of serious racing, including applications using nitrous oxide or forced induction.
The heart of this assembly includes 6.125-inch long H-beam connecting rods, known for their robust construction and ability to withstand high cylinder pressures and RPMs. These rods are paired with 4.125-inch bore pistons, featuring a 6cc dish to help achieve your desired compression ratio. The entire rotating assembly is precision-balanced, ensuring smooth operation and reducing stress on your engine's main bearings and other components. Eagle has a solid reputation for building durable engine components, and this rotating assembly is no exception, offering a well-built foundation for a high-performance LS7 build.
When building a competition engine, the rotating assembly is critical for reliability and performance. This Eagle assembly provides a complete, balanced package, saving you time and ensuring compatibility between the key rotating components. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer installation guidelines for proper assembly and torque specifications.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 138764125
- UPC
- 793348057569
Frequently Asked Questions
You Might Also Like
Similar products from the same category

Eagle Nissan RB26 Engine Connecting Rods (Set of 6)

Eagle Chevy 454 1Pc 4.250in Crank 6.385in I-Beam Rods 18cc Dome 4.280in Pistons Rotating Assembly

Eagle Oldsmobile 455 4.250in Stroke Cast Crankshaft

Eagle Chevy LS7 4.125in Crank 24 Tth Reluctor 6.125in H-Beam -5cc 4.135in Pistons Rotating Assembly
Eagle Chevy LS7 3.900in Crank 58 Tth Reluctor 6.125in H-Beam 6cc 4.125in Pistons Rotating Assembly
