# Roush 2005-2010 Ford Mustang 4.6L 3V Heavy Duty Belt Tensioner

This Mustang belt tensioner is the same belt tensioner that's included in the 2010 ROUSHcharger kits, making it a replacement part for these packages:2010 Mustang R2300 ROUSHcharger & Upgrade; Kit (part #420026)2010 Mustang R2300 ROUSHcharger Upgrade Kit (part #420027)2010 Mustang Chrome ROUSHcharger (part #420024)This tensioner is specially designed for heavy duty applications to handle the added rotational forces on the FEAD from supercharging. This heavy-duty tensioner is an upgrade for all SINGLE BELT TVS R2300 ROUSH superchargers installed on 2005-2009 Mustang GTs.

This Part Fits:

Year

Make

Model

Submodel

2005-2010

Ford

Mustang

Base

2008-2009

Ford

Mustang

Bullitt

2005-2010

Ford

Mustang

GT

2007-2008

Ford

Mustang

Shelby GT

2007-2010

Ford

Mustang

Shelby GT500

2008-2009

Ford

Mustang

Shelby GT500KR

## Details

- **Price:** 229.71 CAD
- **Vendor:** Roush
- **Type:** Belts - Timing, Accessory

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 229.71 CAD | In stock |

## Images

- Photo - Primary
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/roush-2005-2010-ford-mustang-4-6l-3v-heavy-duty-belt-tensioner)
> Updated: 2026-07-01