Specifications
- Brand
- Eagle
- Part #
- 12129030
- UPC
- 793348534206

Eagle Chevy LT1 350 1Pc 3.480in Crank 5.700in H-Beam -24cc 4.030in Pistons Rotating Assembly
$2851.19
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Eagle Chevy LT1 350 rotating assembly. Built with forged 4340 crank and H-beam rods for high-performance builds.
Key Features
- Fits Chevy LT1 350 engines.
- Includes a forged 4340 steel crankshaft with a 3.480-inch stroke.
- Comes with 5.700-inch H-beam connecting rods secured by 7/16-inch ARP 8740 bolts.
- Features SRP forged 4032 pistons with a -24cc inverted dome and 4.030-inch bore.
- Equipped with plasma-moly file-fit rings for customizable sealing.
- Includes King XP rod and main bearings for reliable lubrication and wear resistance.
⚠️ 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
Forged from 4340 steel, the crankshaft in this Eagle rotating assembly measures 3.480 inches, forming the core of a robust setup for your Chevy LT1 350 engine. This isn't just a collection of parts; it's a balanced and matched set designed to handle the demands of serious performance applications, including those using nitrous or forced induction. When you're building an engine that needs to perform under pressure, starting with a well-matched rotating assembly like this one sets a solid foundation.
The assembly includes 5.700-inch H-beam connecting rods, known for their strength and reliability in high-RPM situations. These rods are secured with 7/16-inch ARP 8740 bolts, a name trusted for their consistent clamping force and durability. Complementing the crank and rods are SRP forged 4032 pistons, featuring an inverted dome design with a -24cc volume and a 4.030-inch bore size. These pistons are paired with plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing. For the critical bearing surfaces, King XP rod and main bearings are included, offering excellent wear resistance and smooth operation.
This rotating assembly is a comprehensive package for anyone looking to rebuild or significantly upgrade their Chevy LT1 350. It's important to note that this assembly is not CARB approved and cannot be shipped to California due to emissions regulations. Ensure you check all manufacturer instructions for proper installation and break-in procedures to get the most out of this high-performance component.
Specifications
- Brand
- Eagle
- Manufacturer Part #
- 12129030
- UPC
- 793348534206
Frequently Asked Questions
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