Specifications
- Brand
- Eagle
- Part #
- 12263060
- UPC
- 793348007342

Eagle Chevy 400 350 Mains 3.750in Crank 5.700in H-Beam -16cc 4.185in Pistons Rotating Assembly
$2768.68
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Eagle Competition Rotating Assembly for Chevy 400/350 mains. Built for racing with forged components and ARP bolts.
Key Features
- Fits Chevy 400 and 350 main applications.
- Includes a 3.750-inch forged 4340 crankshaft.
- Features 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 4.185-inch bore.
- Includes plasma-moly file-fit rings for custom gapping.
- Equipped with King XP rod and main bearings for enhanced 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 is well-known for making strong engine components, and this rotating assembly is a prime example of their commitment to performance. This kit is designed for Chevy 400 and 350 main applications, giving you a solid foundation for a high-performance build. Whether you're planning for street use or serious competition, this assembly brings together key parts to create a powerful and reliable engine.
At the heart of this assembly is a 3.750-inch forged 4340 crankshaft, chosen for its strength and durability under demanding conditions. Paired with this are 5.700-inch H-beam connecting rods, also forged from 4340 steel, which are known for their robust design and ability to handle significant stress. These rods are secured with 7/16-inch ARP 8740 bolts, a popular choice for their reliability in high-stress applications. The pistons are forged 4032 DSS units with an inverted dome design, featuring a -16cc volume and a 4.185-inch bore size. They come complete with plasma-moly file-fit rings, allowing for precise gap setting to match your engine's specific needs. To ensure smooth operation and longevity, the assembly includes King XP rod and main bearings, which offer improved performance and wear resistance.
This rotating assembly is specifically built for racing applications, including those using nitrous oxide or forced induction. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and tuning to get the most out of these high-performance components.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 12263060
- UPC
- 793348007342
Frequently Asked Questions
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