Auto Barn
Est. 1957
Eagle

Eagle Chevy LS2/LS3 3.900in Crank 58 Tth Rlctor 6.125in I-Beam Rod 4.000in Pistons Rotating Assembly

$2731.58

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Eagle Chevy LS2/LS3 rotating assembly for naturally-aspirated racing. Includes 3.900" crank, 6.125" rods, and 4.000" pistons.

Key Features

  • Fits Chevy LS2 and LS3 engines.
  • Includes a 3.900-inch forged crankshaft.
  • Features 6.125-inch I-beam connecting rods.
  • Comes with 4.000-inch pistons.
  • Designed for naturally-aspirated racing applications.
  • The assembly is balanced from the factory.
This rotating assembly is designed for Chevy LS2 and LS3 engines. Please verify compatibility with your specific vehicle and engine configuration.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042
About this part

Product Details

If you're building a naturally-aspirated racing engine for your Chevy LS2 or LS3, a strong rotating assembly is the heart of the operation. This Pro Street rotating assembly from Eagle is designed to handle the demands of the track, providing a solid foundation for your performance build. It includes a 3.900-inch crankshaft, 6.125-inch I-beam connecting rods, and 4.000-inch pistons, all balanced and ready to go.

Eagle is known for well-built engine components, and this assembly is no exception. The I-beam connecting rods are a popular choice for their strength-to-weight ratio, making them suitable for high-RPM use without adding excessive mass. The crankshaft is forged for durability, and the included pistons are designed to work seamlessly with the rest of the components. This kit is balanced, which saves you a significant step and ensures your engine runs smoothly and efficiently. It's a critical part of ensuring your engine can withstand the stress of racing conditions.

When assembling a high-performance engine, attention to detail is key. This rotating assembly is a major component that sets the stage for the rest of your build. Remember that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and balancing procedures to ensure optimal performance and longevity.

Specifications

Brand
Eagle
Manufacturer Part #
638754000
UPC
793348061191

Frequently Asked Questions

Eagle Chevy LS2/LS3 3.900in Crank 58 Tth Rlctor 6.125in I-Beam Rod 4.000in Pistons Rotating Assembly

$2731.58