---
product_id: 588519399
title: "4 1/8\" (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide"
brand: "brush research"
price: "€ 312.47"
currency: EUR
in_stock: true
url: https://www.desertcart.de/products/588519399-4-1-8-105mm-flex-hone-cylinder-hone-180-grit
store_origin: DE
region: Germany
---

# Fits 3.75"-4.125" bores 105mm diameter precision Made in USA quality 4 1/8" (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide

**Brand:** brush research
**Price:** € 312.47
**Availability:** ✅ In Stock

## Summary

> 🔧 Hone your engine’s edge with precision and ease!

## Quick Answers

- **What is this?** 4 1/8" (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide by brush research
- **How much does it cost?** € 312.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/588519399-4-1-8-105mm-flex-hone-cylinder-hone-180-grit)

## Best For

- brush research enthusiasts

## Why This Product

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

## Key Features

- • **Self-Centering Tech:** Innovative flexible abrasive points ensure perfect alignment and consistent cross-hatch finish
- • **Precision Perfect Fit:** Optimized 4-1/8" diameter for exact bore honing between 3.75" and 4.125"
- • **Proudly American Made:** Crafted in the USA for unmatched reliability and performance every time
- • **Effortless Compatibility:** Works seamlessly with any cordless or shop air drill—no extra tools needed
- • **Durable Silicon Carbide Grit:** 180 grit silicon carbide delivers a very fine, long-lasting honing surface for piston ring seating

## Overview

The 4-1/8" (105mm) Flex-Hone with 180 grit silicon carbide is a premium honing tool designed for bores between 3.75" and 4.125". Featuring self-centering, flexible abrasive globules, it ensures a perfect cross-hatch finish essential for piston ring seating. Compatible with any cordless or air drill and proudly made in the USA, this tool combines durability, precision, and ease of use for professional-grade engine maintenance.

## Description

A resilient, flexible, honing tool with a soft cutting action. The abrasive (points) globules each have independent suspension that assures the Flex-Hone to be self-centering, self aligning to the bore, and selfcompensating for wear. Creates the required cross hatch for piston ring seating.

## Features

- 4-1/8" (105mm) 180 Grit Flex hone made of silicon carbide
- Bore Range 3.750"-4.125"
- 13-1/2" Overall Length
- tools required Use with any Cordless or Shop Air Drill
- Made in the U.S.A.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Silicon Carbide |
| Grit Material | Silicon Carbide |
| Brand | Brush Research |
| Grit Type | Very Fine |
| Item Weight | 0.63 Kilograms |
| Grit Number | 180 |
| UPC | 314362176007 |
| Manufacturer | Brush Research |
| Country of Origin | USA |
| Model number | GB418180SC |
| Item Weight | 634 g |
| Package Dimensions | 35.4 x 12.8 x 12.8 cm; 634 g |
| Item model number | GB418180SC |

## Product Details

- **Material:** Silicon Carbide
- **Grit Material:** Silicon Carbide
- **Brand:** Brush Research
- **Grit Type:** Very Fine
- **Item Weight:** 0.63 Kilograms

## Images

![4 1/8" (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide - Image 1](https://m.media-amazon.com/images/I/31a9jBwxIrL.jpg)

## Frequently Bought Together

- 4 1/8" (105mm) Flex-Hone Cylinder Hone 180 grit silicon carbide
- Permatex 81950 Ultra Slick Engine Assembly Lube, 4 oz. , Red
- Brush Research GB41824 FLEX-HONE®, 4-1/8" (105mm) Diameter, 240 Grit, Silicon Carbide, For Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials

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**Shop now:** [https://www.desertcart.de/products/588519399-4-1-8-105mm-flex-hone-cylinder-hone-180-grit](https://www.desertcart.de/products/588519399-4-1-8-105mm-flex-hone-cylinder-hone-180-grit)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-14*