Auto Barn
Est. 1957
Eagle

Eagle Chevy LS7 4.000in Long Snout Crank 58 Tth Reluctor 6.125in H-Beam 4.125in Pistons Rot Assembly

$3601.13

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Eagle Competition rotating assembly for Chevy LS7. Built for racing with forged components.

Key Features

  • Fits Chevy LS7 engines.
  • Includes a 4.000-inch forged 4340 steel crankshaft with a long snout.
  • Features a 58-tooth reluctor wheel for engine management.
  • Comes with 6.125-inch H-beam connecting rods secured by 7/16-inch ARP 8740 bolts.
  • Includes forged 2618 Arias flat-top pistons with a -4.5cc dish for a 4.125-inch bore.
  • Equipped with plasma-moly file-fit rings for custom ring gap setting.
This rotating assembly is designed for Chevy LS7 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

Secure CheckoutFast Shipping631-982-0042
About this part

Product Details

Eagle is well-known for building strong rotating assemblies that can handle the demands of performance applications. This competition-grade rotating assembly is specifically designed for Chevy LS7 engines and is built to withstand the rigors of racing, including the stresses of nitrous and forced induction setups. It’s a complete package that gives you the core components needed to build a powerful and reliable engine.

At the heart of this assembly is a 4.000-inch forged 4340 steel crankshaft featuring a long snout design for added strength and compatibility. It includes a 58-tooth reluctor wheel, essential for proper engine management in many LS applications. The connecting rods are robust 6.125-inch H-beam units, secured with 7/16-inch ARP 8740 bolts, known for their reliability under high stress. Forged 2618 Arias flat-top pistons with a -4.5cc dish are included, designed for a 4.125-inch bore size. These pistons come with plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing. To ensure smooth operation and durability, the assembly is completed with King XP rod and main bearings, which are designed for high-performance lubrication needs.

This rotating assembly is a solid option for anyone rebuilding or building a high-performance LS7 engine for racing. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and torque specifications.

Specifications

Brand
Eagle
Manufacturer Part #
128374125
UPC
793348008790

Frequently Asked Questions

Eagle Chevy LS7 4.000in Long Snout Crank 58 Tth Reluctor 6.125in H-Beam 4.125in Pistons Rot Assembly

$3601.13