---
product_id: 75167623
title: "DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750\" Stroke Forged 4340 Crankshaft 2 Pc Seal"
brand: "demotor performance"
price: "FREE"
currency: BOB
in_stock: false
category: "Automotive Parts and Accessories"
url: https://www.desertcart.bo/products/75167623-demotor-performance-for-chevy-sbc-400-main-3-750-stroke
store_origin: BO
region: Bolivia
---

# DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750" Stroke Forged 4340 Crankshaft 2 Pc Seal

**Brand:** demotor performance
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750" Stroke Forged 4340 Crankshaft 2 Pc Seal by demotor performance
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/75167623-demotor-performance-for-chevy-sbc-400-main-3-750-stroke)

## Best For

- demotor performance enthusiasts

## Why This Product

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

## Description

Description: Forged 4340 steel in a non-twist forging with multi-stage heat treatment Shot-peened, stress-relieved, and nitrided surface for superior durability Target bobweight guaranteed +/- 2%. Will internal balance without heavy metal Recommended for use up to 1500hp Make: Chevy Engine: SBC (400 Mains) Material: Forged 4340 Steel Stroke: 3.750&quot; Stroke Balance: Internal Balance Rear Main Seal: 2-Piece Rear Main Seal Rod Journal Diameter: 2.100&quot; Main Journal Diameter: 2.648&quot; Min. Rod Length: 5.700&quot;

## Features

- Material: Forged 4340 Steel
- Stroke: 3.750" Stroke
- Rear Main Seal: 2-Piece Rear Main Seal
- Engine: SBC (400 Mains)
- Rod Journal Diameter: 2.100"，Main Journal Diameter: 2.648"， Min. Rod Length: 5.700"
- ›See more product details

## Images

![DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750" Stroke Forged 4340 Crankshaft 2 Pc Seal - Image 1](https://m.media-amazon.com/images/I/317dlYYx2PL.jpg)
![DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750" Stroke Forged 4340 Crankshaft 2 Pc Seal - Image 2](https://m.media-amazon.com/images/I/41qrwnaqKqL.jpg)
![DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750" Stroke Forged 4340 Crankshaft 2 Pc Seal - Image 3](https://m.media-amazon.com/images/I/51dsGfQgLoL.jpg)
![DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750" Stroke Forged 4340 Crankshaft 2 Pc Seal - Image 4](https://m.media-amazon.com/images/I/41ipd3EZVDL.jpg)
![DEMOTOR PERFORMANCE For Chevy SBC 400 Main 3.750" Stroke Forged 4340 Crankshaft 2 Pc Seal - Image 5](https://m.media-amazon.com/images/I/4195a+-vVoL.jpg)

---

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**Shop now:** [https://www.desertcart.bo/products/75167623-demotor-performance-for-chevy-sbc-400-main-3-750-stroke](https://www.desertcart.bo/products/75167623-demotor-performance-for-chevy-sbc-400-main-3-750-stroke)

---

*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-01-22*