Specifications
- Brand
- Eagle
- Part #
- 137904030
- UPC
- 793348012360

Eagle Chevy LS2 4.000in Crank 58 Tth Reluctor 6.125in H-Beam -5cc 4.030in Pistons Rotating Assembly
$2998.90
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Eagle Chevy LS2 rotating assembly with 4.000" forged crank, 6.125" H-beam rods, and -5cc pistons. Built for high-performance racing.
Key Features
- Fits Chevy LS2 engines.
- Includes a 4.000-inch forged 4340 steel crankshaft.
- Features a 58-tooth reluctor wheel for crank trigger.
- Comes with 6.125-inch H-beam connecting rods secured by 7/16-inch ARP 8740 bolts.
- Includes forged 4032 DSS -5cc flat top pistons for a 4.030-inch bore.
- Equipped with plasma-moly file-fit rings for custom ring gap setting.
⚠️ 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
Product Details
This is the Eagle Chevy LS2 4.000-inch crank, 58-tooth reluctor, 6.125-inch H-beam rotating assembly. It's a complete package designed to be the heart of a high-performance LS2 engine, whether you're building for the street or the track. This assembly includes everything you need to get your engine rotating with strong, reliable components that can handle significant power.
At its core is a 4.000-inch forged 4340 steel crankshaft, known for its strength and durability under stress. Paired with this are 6.125-inch H-beam connecting rods, which are also forged from 4340 steel and secured with 7/16-inch ARP 8740 bolts. These rods are built to withstand the high RPMs and increased cylinder pressures common in racing applications. The pistons are forged 4032 DSS units with a -5cc flat top design, ready for a 4.030-inch bore. They come with plasma-moly file-fit rings, giving you the flexibility to set your ring gap precisely for your build's needs. To top it off, the assembly includes King XP rod and main bearings, offering excellent wear resistance and performance.
This rotating assembly is a popular choice for those looking to build a powerful LS2 engine for various forms of racing, including those using nitrous or forced induction. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and assembly procedures.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 137904030
- UPC
- 793348012360
Frequently Asked Questions
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