Specifications
- Brand
- Eagle
- Part #
- 12263040
- UPC
- 793348007335

Eagle Chevy 400 350 Mains 3.750in Crank 5.700in H-Beam -16cc 4.165in Pistons Rotating Assembly
$2768.68
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Eagle Competition Rotating Assembly with 3.750" forged 4340 crank, 5.700" H-beam rods, and 4.165" pistons. Built for racing.
Key Features
- Fits Chevy 400 and 350 mains.
- Features a 3.750-inch forged 4340 steel crankshaft.
- Includes 5.700-inch H-beam connecting rods with 7/16-inch ARP 8740 bolts.
- Comes with forged 4032 DSS pistons with a -16cc inverted dome and 4.165-inch bore.
- Equipped with plasma-moly file-fit rings for custom gap setting.
- Includes King XP rod and main bearings for enhanced durability.
⚠️ 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 Eagle Competition Rotating Assembly starts with a 3.750-inch forged 4340 steel crankshaft, a strong foundation for serious engine builds. It's designed to work with Chevy 400 and 350 mains, offering a versatile option for performance enthusiasts looking to push their engine's limits.
The assembly includes 5.700-inch H-beam connecting rods secured with 7/16-inch ARP 8740 bolts, known for their strength and reliability under high stress. Paired with these are forged 4032 DSS pistons featuring an inverted dome design with a -16cc volume and a 4.165-inch bore. These pistons are matched with plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing. King XP rod and main bearings are also included, providing robust lubrication and wear protection for critical rotating components.
This rotating assembly is built for demanding racing applications, including those using nitrous oxide or forced induction. Please note that this assembly is not CARB approved and cannot be shipped to California. It is recommended to consult with a professional engine builder to ensure proper installation and tuning for your specific application.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 12263040
- UPC
- 793348007335
Frequently Asked Questions
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