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Est. 1957
Eagle

Eagle Chevy LS3 4.000in Crank 24 Tth Reluctor 6.125in I-Beam Rods 4.040in Pistons Rotating Assembly

$2498.64

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Eagle Chevy LS3 rotating assembly with 4.000" forged crank, 6.125" I-beam rods, and 4.040" pistons. Built for naturally-aspirated racing.

Key Features

  • Fits Chevy LS3 engines.
  • Features a 4.000-inch forged 4140 crankshaft with a 24-tooth reluctor wheel.
  • Includes 6.125-inch I-beam connecting rods made from 4340 steel, secured with 7/16-inch ARP 8740 bolts.
  • Comes with forged 4032 DSS flat-top pistons with a -5cc dish for a 4.040-inch bore.
  • Includes plasma-moly file-fit piston rings for precise gap setting.
  • Equipped with King XP rod and main bearings for enhanced durability.
This rotating assembly is designed for Chevy 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

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About this part

Product Details

Starting with a 4.000-inch forged 4140 crankshaft, this Eagle Pro Street rotating assembly is built for serious performance in naturally-aspirated racing applications. The crankshaft features a 24-tooth reluctor wheel, essential for proper engine management in many LS3 setups. This assembly is designed to handle the demands of high-RPM operation, making it a solid foundation for a performance engine build.

Complementing the robust crankshaft are 6.125-inch I-beam connecting rods forged from strong 4340 steel. These rods are secured with 7/16-inch ARP 8740 bolts, known for their reliability under stress. The assembly includes forged 4032 DSS flat-top pistons with a -5cc dish, designed for a 4.040-inch bore. These pistons come with plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing. King XP rod and main bearings are also included, offering improved lubrication and durability for critical rotating components.

This rotating assembly is a comprehensive package for anyone looking to build or rebuild a powerful LS3 engine for racing. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer installation instructions for proper assembly and torque specifications.

Specifications

Brand
Eagle
Manufacturer Part #
637304040
UPC
793348027586

Frequently Asked Questions

Eagle Chevy LS3 4.000in Crank 24 Tth Reluctor 6.125in I-Beam Rods 4.040in Pistons Rotating Assembly

$2498.64