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Est. 1957
Eagle

Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Rlctor 6.125in I-Beam 3.810in Pistons Balanced Assembly

$2698.93

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Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Rlctor 6.125in I-Beam 3.810in Pistons Balanced Assembly. Built for naturally-aspirated racing.

Key Features

  • Fits Chevy 4.8L and 5.3L LS engines.
  • Includes a forged 4140 steel crankshaft with a 4.000-inch stroke.
  • Features a 58-tooth reluctor wheel for engine management compatibility.
  • Comes with 6.125-inch I-beam connecting rods made from 4340 steel with 7/16-inch ARP 8740 bolts.
  • Includes forged 4032 DSS pistons with a -29cc inverted dome and 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, a balanced rotating assembly is a critical starting point. This Eagle Pro Street assembly is designed to handle the demands of the track, providing a solid foundation for your performance build. It's specifically configured for Chevy 4.8L and 5.3L LS engines, ensuring a proper fit for these popular platforms.

This assembly includes a forged 4140 steel crankshaft with a 4.000-inch stroke, which is a common upgrade for increasing displacement and power in LS engines. It's also equipped with a 58-tooth reluctor wheel, essential for proper engine management with many LS ECU setups. The connecting rods are robust 6.125-inch I-beam units made from 4340 steel, secured with 7/16-inch ARP 8740 bolts for added strength under high stress. The pistons are forged 4032 DSS units with an inverted dome design, featuring a -29cc dish to help achieve your desired compression ratio, and they come with plasma-moly file-fit rings. King XP rod and main bearings are included to ensure smooth operation and durability.

This assembly comes balanced from the factory, saving you a significant step and ensuring your engine runs smoothly and efficiently. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always consult the manufacturer's installation guide for specific details and recommended procedures when installing a performance rotating assembly.

Specifications

Brand
Eagle
Manufacturer Part #
B627623810
UPC
793348041162

Frequently Asked Questions

Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Rlctor 6.125in I-Beam 3.810in Pistons Balanced Assembly

$2698.93