---
product_id: 21531019
title: "100-2003 Small Block Chevy 4.120 in Bore Cylinder Sleeve"
brand: "darton sleeves"
price: "KD 52.44"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/21531019-100-2003-small-block-chevy-4-120-in-bore-cylinder
store_origin: KW
region: Kuwait
---

# 4.120 in precision bore 5.545 in optimized height 0.076 in durable steel wall 100-2003 Small Block Chevy 4.120 in Bore Cylinder Sleeve

**Brand:** darton sleeves
**Price:** KD 52.44
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your Chevy Small Block with precision power!

## Quick Answers

- **What is this?** 100-2003 Small Block Chevy 4.120 in Bore Cylinder Sleeve by darton sleeves
- **How much does it cost?** KD 52.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/21531019-100-2003-small-block-chevy-4-120-in-bore-cylinder)

## Best For

- darton sleeves enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight Yet Strong:** At just 1.8 lbs, balances strength with ease of installation
- • **Optimized Sleeve Height:** 5.545 in height designed for superior sealing and engine efficiency
- • **Direct Replacement Ready:** Perfect drop-in fit for Bowtie Small Block Chevy engines—no modifications needed
- • **Precision Engineered Fit:** Exact 4.120 in bore ensures seamless Small Block Chevy compatibility
- • **Durable Steel Construction:** Robust 0.076 in wall thickness for long-lasting performance under pressure

## Overview

The Darton 100-2003 Cylinder Sleeve is a precision-engineered steel sleeve with a 4.120 inch bore, 0.076 inch wall thickness, and 5.545 inch height, designed as a direct replacement for Small Block Chevy Bowtie engines. Lightweight at 1.8 pounds, it offers durability and a perfect fit to enhance engine performance and longevity.

## Description

Cylinder Sleeve - 4.120 in Bore - 5.545 in Height - 4.272 in OD - 0.076 in Wall - Steel - Bowtie Block - Small Block Compatible with/Replacement for Chevy - Each

## Features

- Darton Sleeves 100-2003 Small Block Compatible with/Replacement for Chevy 4.120 in Bore Cylinder Sleeve

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DARTON SLEEVES |
| Brand | Darton Sleeves |
| Model | 100-2003 |
| Item Weight | 1.8 pounds |
| Product Dimensions | 7.6 x 5.1 x 5.05 inches |
| Item model number | 100-2003 |
| Manufacturer Part Number | 100-2003 |

## Images

![100-2003 Small Block Chevy 4.120 in Bore Cylinder Sleeve - Image 1](https://m.media-amazon.com/images/I/614l8fPL7+L.jpg)
![100-2003 Small Block Chevy 4.120 in Bore Cylinder Sleeve - Image 2](https://m.media-amazon.com/images/I/614l8fPL7+L.jpg)

---

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**Shop now:** [https://www.desertcart.com.kw/products/21531019-100-2003-small-block-chevy-4-120-in-bore-cylinder](https://www.desertcart.com.kw/products/21531019-100-2003-small-block-chevy-4-120-in-bore-cylinder)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-03-03*