Auto Barn
Est. 1957
Eagle

Eagle Chevy LS2/LS3 3.900in Crank 24 Tth Reluctor 6.125in H-Beam 4.040in Pistons Rotating Assembly

$2875.53

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 4.040" pistons. Built for racing.

Key Features

  • Fits Chevy LS2 and LS3 engines.
  • Includes a 3.900-inch crankshaft.
  • Features 6.125-inch H-beam connecting rods.
  • Comes with 4.040-inch pistons.
  • Designed for racing applications, including nitrous and forced induction.
  • Includes a 24-tooth reluctor wheel.
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 a complete rotating assembly from Eagle, specifically designed for Chevy LS2 and LS3 engines. It includes a 3.900-inch crankshaft, 6.125-inch H-beam connecting rods, and 4.040-inch pistons, all balanced and ready for installation. This assembly is built to handle the demands of serious racing, including applications using nitrous oxide or forced induction.

The heart of this assembly is Eagle's competition-grade crankshaft, forged for strength and durability. Paired with the robust 6.125-inch H-beam connecting rods, it offers a solid foundation for high-performance builds. The 4.040-inch pistons are designed to work with the 24-tooth reluctor wheel common in LS engines, ensuring proper sensor readings. Eagle is known for producing well-built engine components, and this rotating assembly is no exception, offering a reliable upgrade for those pushing their LS engine to its limits.

When rebuilding or significantly upgrading your LS2 or LS3 engine, a balanced rotating assembly like this one is crucial for smooth operation and longevity. It takes the guesswork out of matching components and ensures that the crankshaft, rods, and pistons are properly balanced as a set. Please 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 specific assembly and break-in procedures.

Specifications

Brand
Eagle
Manufacturer Part #
138154040
UPC
793348056623

Frequently Asked Questions

Eagle Chevy LS2/LS3 3.900in Crank 24 Tth Reluctor 6.125in H-Beam 4.040in Pistons Rotating Assembly

$2875.53