Specifications
- Brand
- Eagle
- Part #
- 637314070
- UPC
- 793348027708

Eagle Chevy LS3 4.000in Crank 24 Tth Reluctor 6.125in I-Beam Rods 4.070in Pistons Rotating Assembly
$2498.64
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Eagle Pro Street rotating assembly for Chevy LS3. Built for naturally-aspirated racing with a forged crank, I-beam rods, and 4.070" pistons.
Key Features
- Fits Chevy LS3 engines.
- Includes a 4.000-inch forged 4140 crankshaft with a 24-tooth reluctor.
- Comes with 6.125-inch 4340 I-beam connecting rods featuring 7/16-inch ARP 8740 bolts.
- Features forged 4032 DSS pistons with an inverted dome, 4.070-inch bore size.
- Includes plasma-moly file-fit piston rings for custom gapping.
- Equipped with King XP series rod and main bearings for robust performance.
⚠️ 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
Eagle has been a well-known name in performance engine components for a long time, and their Pro Street Rotating Assemblies are a solid choice for anyone building a naturally-aspirated racing engine. This specific assembly is designed for Chevy LS3 applications, giving you a strong foundation for serious performance.
At the heart of this assembly is a 4.000-inch forged 4140 crankshaft, built to handle the demands of racing. It's paired with 6.125-inch long 4340 I-beam connecting rods, which are secured with 7/16-inch ARP 8740 bolts for reliable strength. The pistons are forged 4032 DSS units with an inverted dome design, measuring 4.070 inches in bore size, and they come with plasma-moly file-fit rings, allowing for precise gap setting during installation. To ensure smooth operation and durability, the assembly includes King XP rod and main bearings.
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 important to check all manufacturer specifications and local regulations before installation.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 637314070
- UPC
- 793348027708
Frequently Asked Questions
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