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Est. 1957
Eagle

Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Relctr 6.125in I-Beam 3.780in Pistons Balanced Assembly

$2735.74

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Eagle Chevy 4.8/5.3 LS rotating assembly. Balanced Pro Street assembly with 4.000" forged crank, 6.125" I-beam rods, and 3.780" pistons.

Key Features

  • Fits Chevy 4.8L and 5.3L LS engines.
  • Includes a balanced rotating assembly for smooth operation.
  • Features a forged 4.000-inch 4140 steel crankshaft with a 58-tooth reluctor wheel.
  • Comes with 6.125-inch 4340 I-beam connecting rods secured by 7/16-inch ARP 8740 bolts.
  • Includes forged 4032 DSS flat-top pistons (3.780-inch bore) with plasma-moly file-fit rings.
  • Equipped with King XP rod and main bearings.
This rotating assembly is designed for Chevy 4.8L and 5.3L LS 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

If you're building a naturally-aspirated LS engine for racing, this balanced rotating assembly from Eagle is a solid foundation. It's designed for Chevy 4.8L and 5.3L LS applications, giving you a strong core to build around. This assembly includes a forged 4.000-inch crankshaft made from 4140 steel, which is a strong material for handling the stresses of performance engines. It also features a 58-tooth reluctor wheel, essential for proper engine management on many LS platforms.

The connecting rods are 6.125-inch long I-beams, forged from 4340 steel for durability, and they come equipped with 7/16-inch ARP 8740 bolts. These bolts are well-known for their strength and reliability in high-performance applications. The pistons are forged 4032 DSS flat-tops with a -5cc dish, measuring 3.780 inches in diameter, and they come with plasma-moly file-fit rings. This setup is balanced as an assembly, which is crucial for smooth operation and longevity in a performance engine. King XP rod and main bearings are included, offering good performance for racing use.

This rotating assembly is intended for naturally-aspirated racing use. Please note that this part is not CARB approved and cannot be shipped to California. It's always a good idea to consult with your engine builder or refer to manufacturer documentation for specific installation details and compatibility with your build.

Specifications

Brand
Eagle
Manufacturer Part #
B627603780
UPC
793348041094

Frequently Asked Questions

Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Relctr 6.125in I-Beam 3.780in Pistons Balanced Assembly

$2735.74