Sale

Engines and Components› Pistons and Piston Rings

Eagle Specialty Products

SBC 384 CID Rotating Assembly Kit

$1,350.99 $1,242.49 Save $108.50

SKU: EAG13005040

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 SBC Rotating Assembly Kit is a 384 CID rotating assembly designed for street and strip applications. It features a cast crankshaft and hypereutectic pistons, with a 3.750 in stroke and 4.040 in bore. The kit includes 5.700 in I-beam rods and is designed for Small Block Chevy engines.

This kit is intended for performance-oriented builds, providing essential components for engine enthusiasts looking to upgrade or rebuild their Small Block Chevy. The product description notes that it is not an emissions item.
Show original supplier description
The Eagle SBC Rotating Assembly Kit (EAG13005040) is a comprehensive kit engineered for street and strip performance applications, specifically for Small Block Chevy engines. This assembly features a robust 3.750-inch stroke cast crankshaft and 4.040-inch bore hypereutectic pistons, designed to handle increased power demands. The kit includes 5.700-inch I-beam connecting rods, which are a staple for performance engine builds. With a total displacement of 384 CID, this rotating assembly provides a solid foundation for engine enthusiasts looking to achieve greater power and reliability. The components are manufactured by Eagle Specialty Products, a known name in performance engine parts. While the product details list specific dimensions like stroke, bore, and rod length, it explicitly states that there is 'No Fitment Data' and advises buyers to verify fitment manually. This means potential buyers should confirm compatibility with their specific engine build and vehicle application, as no pre-defined compatibility lists are provided.

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 NumberEAG13005040
CategoryEngines and Components

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

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

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