---
product_id: 60866631
title: "EagleSPCLTY Eagle Specialty Products 104003750 3.75\" Cast Steel Crankshaft for Small Block Chevy"
brand: "eagle spclty"
price: "$1016.30"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/60866631-eaglespclty-eagle-specialty-products-104003750-3-75-cast-steel-crankshaft
store_origin: US
region: United States of America
---

# 24.5 lbs 3.75" Stroke USA Made EagleSPCLTY Eagle Specialty Products 104003750 3.75" Cast Steel Crankshaft for Small Block Chevy

**Brand:** eagle spclty
**Price:** $1016.30
**Availability:** ✅ In Stock

## Summary

> 🏎️ Rev Up Your Ride with Eagle Precision!

## Quick Answers

- **What is this?** EagleSPCLTY Eagle Specialty Products 104003750 3.75" Cast Steel Crankshaft for Small Block Chevy by eagle spclty
- **How much does it cost?** $1016.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/60866631-eaglespclty-eagle-specialty-products-104003750-3-75-cast-steel-crankshaft)

## Best For

- eagle spclty enthusiasts

## Why This Product

- Trusted eagle spclty brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unleash Power:** Elevate your Small Block Chevy's performance with a precision-engineered crankshaft.
- • **Durable Design:** Crafted from high-quality cast steel for unmatched strength and longevity.
- • **Vehicle Specific Fit:** Designed specifically for Small Block Chevy, ensuring a perfect fit every time.
- • **Precision Engineering:** Manufactured by Eagle Specialty Products, a trusted name in performance parts.
- • **Lightweight Performance:** Weighing in at just 24.5 lbs, it optimizes your engine's efficiency.

## Overview

The EAGLE SPCLTY 3.75" Cast Steel Crankshaft (P/N 104003750) is a high-performance component designed specifically for Small Block Chevy engines. Weighing 24.5 lbs and made in the USA, this crankshaft combines durability with precision engineering to enhance your vehicle's power and efficiency.

## Description

EagleSPCLTY Eagle Specialty Products 104003750 3.75" Cast Steel Crankshaft for Small Block Chevy

## Features

- EAGLE 3.750 in Stroke Iron Small Block Chevy Crankshaft P/N 104003750
- Fit type: Vehicle Specific
- Package Weight: 24.494 kilograms
- Package Dimensions: 21.0 L x 72.4 H x 23.5 W (centimeters)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Eagle Specialty Products |
| Brand | EAGLE SPCLTY |
| Item Weight | 24.5 pounds |
| Country of Origin | USA |
| Item model number | 5.1101G |
| Manufacturer Part Number | 104003750 |
| OEM Part Number | 104003750 |

## Images

![EagleSPCLTY Eagle Specialty Products 104003750 3.75" Cast Steel Crankshaft for Small Block Chevy - Image 1](https://m.media-amazon.com/images/I/71IgL-t0NQL.jpg)
![EagleSPCLTY Eagle Specialty Products 104003750 3.75" Cast Steel Crankshaft for Small Block Chevy - Image 2](https://m.media-amazon.com/images/I/71IgL-t0NQL.jpg)

## Questions & Answers

**Q: using a stock 1990 Sbc 350 block will the block need indessing to use this crankshaft**
A: this will not fit that block, you need a 1 pc rear seal 383 crank....

**Q: Amazon sales this as a 383 crank not 400 the one i got was a 400 crank 2 piece main  wrong crank and is not as pictured .**
A: the eagle part # comes up as a 400 crank..

**Q: What year will it fit?**
A: The small block 400 was made from about 1970- to about 1980. these were all 2 pc rear seal, this will fit all of them. there is also many aftermarket blocks this should also fit almost all of them if  they are 2 pc. rear seal. I have bean told that it will work with 5.565 inch connecting rods, i have not had a chance to fit this up and check that, as it says it is made to clear 5.7 rods..

**Q: Two piece rear main oil seal?**
A: yes  is pre 1986 2 pc main standard size SBC 400 Crankshaft

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-21*