Sale

Engines and Components Crankshafts and Components

Eagle Specialty Products

Chevy 350 2Pc Balanced Rotating Assembly

$1,293.99 $1,190.31 Save $103.68

SKU: EAGB15455E030

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Eagle Chevy 350 2Pc is a balanced rotating assembly designed for performance. It features a 3.750-inch cast steel crankshaft and 5.700-inch I-beam connecting rods with 3/8-inch ARP 8740 bolts. The assembly includes hypereutectic KB claimer pistons with a -5cc flat top dish and plasma-moly standard gap rings. It also comes with KING SI rod and main bearings.
Show original supplier description
The Eagle Chevy 350 2Pc is a balanced rotating assembly engineered for performance applications. This assembly integrates a durable 3.750-inch cast steel crankshaft with robust 5.700-inch I-beam connecting rods secured by 3/8-inch ARP 8740 bolts. For reliable performance, the assembly is equipped with KING SI series rod and main bearings, ensuring smooth operation and longevity. The combination of a cast steel crank, I-beam rods, and hypereutectic pistons makes it suitable for various performance applications. The specific bore size of 4.030 inches and the crankshaft stroke of 3.750 inches result in a 383 cubic inch displacement for Chevrolet small-block engines. While this product is presented as a comprehensive assembly, potential buyers should note that specific fitment application data may not be readily available for all vehicle configurations. It is recommended to verify compatibility for your specific application before purchase. The product is listed as an "Out of stock" item, and some retailers may classify it as a "Special Order Item," indicating potential lead times or limited availability.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEagle Specialty Products
Part NumberEAGB15455E030
CategoryEngines and Components

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy