Auto Barn
Est. 1957
Eagle

Eagle Chevy LS2/LS3 3.900in Crank 58 Tth Reluctor 6.125in H-Beam 4.030in Pistons Rotating Assembly

$2897.84

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 with 3.900" crank, 6.125" H-beam rods, and 4.030" pistons. Built for racing.

Key Features

  • Fits Chevy LS2 and LS3 engines.
  • Includes a 3.900-inch stroke crankshaft.
  • Features 6.125-inch H-beam connecting rods for strength.
  • Pistons are sized for a 4.030-inch bore.
  • Equipped with a 58-tooth reluctor wheel for engine management.
  • Designed for racing applications, including nitrous and forced induction.
This rotating assembly is designed for Chevy LS2 and LS3 engines. It is not CARB approved and cannot be shipped to California.

⚠️ 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

This is the Eagle Chevy LS2/LS3 rotating assembly, designed for serious performance builds. It includes a 3.900-inch crankshaft, 6.125-inch H-beam connecting rods, and pistons sized for a 4.030-inch bore. This assembly is specifically engineered for the LS2 and LS3 engine platforms, providing a solid foundation for high-horsepower applications.

Eagle has put together a well-built package here, featuring a 58-tooth reluctor wheel that's crucial for modern LS engine management systems. The H-beam connecting rods are known for their strength and ability to handle the stresses of racing, including the demands of nitrous and forced induction. The crankshaft is forged for durability, and the pistons are designed to work with this specific bore size and stroke combination. This rotating assembly is a popular choice for those looking to push their LS engine beyond stock capabilities, whether for drag racing, road racing, or other competitive motorsports.

When building a high-performance engine, the rotating assembly is one of the most critical components. This Eagle assembly offers a comprehensive solution, ensuring that the crankshaft, rods, and pistons are all designed to work together harmoniously. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always consult with your engine builder or refer to Eagle's installation guidelines for proper assembly and balancing procedures to ensure optimal performance and longevity.

Specifications

Brand
Eagle
Manufacturer Part #
138734030
UPC
793348057149

Frequently Asked Questions

Eagle Chevy LS2/LS3 3.900in Crank 58 Tth Reluctor 6.125in H-Beam 4.030in Pistons Rotating Assembly

$2897.84