Sale

Engines and Components Crankshafts and Components

Eagle

4340 Alloy Steel Crankshaft, 3.000-Inch Stroke

$1,156.09 $877.28 Save $278.81

SKU: EAG435030005700

In Stock
In Stock
Ships by Aug 1
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Eagle EAG435030005700 is a high-performance forged crankshaft engineered for Small Block Chevy engines. Constructed from durable 4340 alloy steel, this crankshaft features a 3.000-inch stroke and internal balance, making it suitable for demanding applications. The forged construction provides superior strength and reliability, while the nitrided finish enhances wear resistance. Key specifications include a 2.449-inch main journal diameter and a 2.100-inch rod journal diameter, with a standard snout style and 1 crankshaft key. This crankshaft requires narrowed bearings for proper installation. Designed for a 2-piece rear main seal, this crankshaft is heat-treated for increased toughness. It comes with a standard flexplate register of 2.489 inches and a 7/16-20 inch balancer bolt thread. The product is sold individually and is new, intended for internal balance applications.

MIA's Description

It features a 3.000-inch stroke and internal balance, utilizing a 2-piece rear main seal. This crankshaft is constructed from 4340 alloy steel and is heat-treated for durability.

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
Part NumberEAG435030005700
CategoryEngines and Components

Buy with Confidence

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