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Est. 1957
Eagle

Eagle Competition Rotating Assembly Kit for Chevrolet/Pontiac LS-Series 4.005in Bore

$3052.80

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Eagle Competition Rotating Assembly Kit for Chevrolet/Pontiac LS-Series 4.005in Bore. Built for racing with forged components.

Key Features

  • Fits a wide range of Chevrolet and Pontiac LS-Series engines.
  • Includes a 4.000-inch forged 4340 steel crankshaft.
  • Features 6.125-inch forged 4340 H-beam connecting rods with 7/16-inch ARP 8740 bolts.
  • Comes with forged 4032 aluminum pistons with a -12cc inverted dome for a 4.005-inch bore.
  • Includes plasma-moly file-fit piston rings for improved sealing.
  • Equipped with King XP series rod and main bearings for robust protection.

⚠️ 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

If you're building a high-performance LS-series engine for serious racing, this Eagle Competition Rotating Assembly Kit is a solid choice. It's designed to handle the demands of competition, including applications using nitrous oxide or forced induction. This kit is engineered for a wide range of Chevrolet and Pontiac vehicles, such as the Cadillac CTS, Chevrolet Camaro, and Pontiac Firebird, providing a strong foundation for your project.

At the heart of this assembly is a 4.000-inch forged 4340 steel crankshaft, known for its strength and durability under high stress. Paired with it are 6.125-inch H-beam connecting rods, also forged from 4340 steel, and secured with 7/16-inch ARP 8740 bolts, ensuring they can withstand significant loads. The kit includes forged 4032 aluminum pistons with a -12cc inverted dome design, ready for a 4.005-inch bore. These pistons come with plasma-moly file-fit rings, which help with proper sealing and oil control. For smooth operation and robust protection, the assembly is completed with King XP series rod and main bearings.

This kit is a comprehensive solution for anyone looking to build a powerful and reliable LS engine. It includes all the core rotating components needed to get your engine build underway. Remember that this assembly is not CARB approved and cannot be shipped to California. Always consult the manufacturer's installation instructions for proper assembly and torque specifications.

Specifications

Brand
Eagle
Manufacturer Part #
129104005
UPC
793348802909

Frequently Asked Questions

Eagle Competition Rotating Assembly Kit for Chevrolet/Pontiac LS-Series 4.005in Bore

$3052.80