Specifications
- Brand
- Eagle
- Part #
- 18421L100
- UPC
- 793348017723

Eagle Chevy 454 1Pc 4.250in 6.385in I-Beam Rods 23cc Dome 4.350in Pistons Rotating Assembly
$2827.26
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Eagle Chevy 454 Pro Street Rotating Assembly. Built with a forged crank, 4340 steel rods, and ICON pistons for high-performance builds.
Key Features
- Fits Chevy 454 engines.
- Includes a 4.250-inch forged 4140 steel crankshaft.
- Features 6.385-inch I-beam connecting rods made from 4340 steel.
- Connecting rods are secured with 7/16-inch ARP 8740 bolts.
- Includes 4.350-inch forged 4032 ICON pistons with a 23cc dome.
- Comes with plasma-moly file-fit piston rings.
⚠️ 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
Starting with the core components, this Eagle Pro Street Rotating Assembly features a 4.250-inch forged 4140 steel crankshaft. This is the backbone of your engine's power delivery, and using a forged steel crank means it's built to handle significant stress, making it a solid choice for naturally-aspirated racing applications. The assembly includes 6.385-inch I-beam connecting rods made from strong 4340 steel, which are known for their durability and ability to withstand high RPMs. These rods are secured with 7/16-inch ARP 8740 bolts, a well-regarded name in high-strength fasteners, ensuring a reliable connection between the crank and pistons.
Complementing the crank and rods are the 4.350-inch forged 4032 aluminum pistons from ICON. These pistons feature a 23cc dome volume, designed to work with specific cylinder head chamber volumes to achieve your desired compression ratio. They come complete with plasma-moly file-fit rings, which allow for precise gapping to match your engine's bore and intended use, contributing to better sealing and performance. To round out this comprehensive assembly, King XP rod and main bearings are included. These bearings are designed for demanding applications, offering improved lubrication and wear resistance to protect your crankshaft and connecting rod journals.
This rotating assembly is a well-built package for anyone looking to build a powerful Chevy 454 engine for racing. It's important to 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 break-in procedures to ensure optimal performance and longevity.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 18421L100
- UPC
- 793348017723
Frequently Asked Questions
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