Auto Barn
Est. 1957
Eagle

Eagle Chevy 4.8/5.3 LS 3.900in Crank 58 Tth Reluctor 6.125in H-Beam 3.820in Pistons Rot Assembly

$2802.61

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 4.8/5.3 LS rotating assembly. Features a 3.900" crank and 6.125" H-beam rods for high-performance builds.

Key Features

  • Fits Chevy 4.8/5.3 LS engines.
  • Features a 3.900-inch stroke crankshaft.
  • Includes 6.125-inch H-beam connecting rods for strength.
  • Comes with 3.820-inch pistons.
  • 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 4.8L and 5.3L LS engines. Please verify compatibility with your specific engine application.

⚠️ 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 Eagle Competition Rotating Assembly starts with a 3.900-inch stroke crankshaft, a solid foundation for building a powerful LS engine. It's designed to handle the demands of racing, including applications using nitrous oxide or forced induction, making it a strong choice for serious performance builds. The assembly includes 6.125-inch H-beam connecting rods, known for their robust construction and ability to withstand high stress loads common in racing environments.

The rotating assembly comes complete with 3.820-inch pistons, ready to be installed. A key detail is the 58-tooth reluctor wheel, which is crucial for proper engine management and timing on specific LS engine control modules. This attention to detail ensures that the components work together seamlessly for optimal performance and reliability under extreme conditions. Eagle has a well-known reputation for producing durable engine components, and this assembly is built to meet those expectations for competitive use.

When undertaking a performance engine build of this caliber, it's important to ensure all supporting components are up to the task. This assembly is intended for competition use and is not CARB approved, meaning it cannot be shipped to California. Proper installation and tuning are essential to realize the full potential of this high-performance rotating assembly.

Specifications

Brand
Eagle
Manufacturer Part #
138753820
UPC
793348057262

Frequently Asked Questions

Eagle Chevy 4.8/5.3 LS 3.900in Crank 58 Tth Reluctor 6.125in H-Beam 3.820in Pistons Rot Assembly

$2802.61