---
product_id: 3678950
title: "4400 Nitro Engine Upgrade Kit from .15 to 2.5"
brand: "traxxas"
price: "₨1131"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/3678950-4400-nitro-engine-upgrade-kit-from-15-to-2-5
store_origin: SC
region: Seychelles
---

# Detailed Instructions Pre-assembled Components 2.5R Racing Engine 4400 Nitro Engine Upgrade Kit from .15 to 2.5

**Brand:** traxxas
**Price:** ₨1131
**Availability:** ✅ In Stock

## Summary

> 🏎️ Upgrade Your Ride, Own the Track!

## Quick Answers

- **What is this?** 4400 Nitro Engine Upgrade Kit from .15 to 2.5 by traxxas
- **How much does it cost?** ₨1131 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/3678950-4400-nitro-engine-upgrade-kit-from-15-to-2-5)

## Best For

- traxxas enthusiasts

## Why This Product

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

## Key Features

- • **Unleash the Power:** Transform your .15 nitro vehicle into a racing beast with the 2.5R engine upgrade!
- • **Maximize Your Ride:** Utilize Traxxas stock and hop-up parts to elevate your RTR experience.
- • **Step-by-Step Guidance:** Navigate your upgrade with ease using the detailed instructions provided.
- • **Hassle-Free Installation:** Enjoy a seamless upgrade with pre-assembled and pre-adjusted major components.
- • **Tailored for Performance:** Includes all necessary parts specific to your model for optimal performance.

## Overview

The Traxxas 4400 .15 to 2.5 Upgrade Kit is designed to enhance your nitro-powered vehicle's performance by replacing the .15 engine with a powerful 2.5R racing engine. This comprehensive kit includes all necessary components, pre-assembled for easy installation, along with detailed instructions to ensure a smooth upgrade process.

## Description

Traxxas 4400 Nitro Engine Upgrade Kit from .15 to 2.5

## Features

- Kit makes it easy to upgrade your .15 nitro-powered vehicle to the awesome power of the 2.5R racing engine
- Includes header, pipe, pipe hanger, coupler, linkage, and additional components specific to each model
- Major components come pre-assembled and pre-adjusted from the factory
- Detailed instructions are included
- Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles

## Images

![4400 Nitro Engine Upgrade Kit from .15 to 2.5 - Image 1](https://m.media-amazon.com/images/I/71YC5GPXivL.jpg)

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**Shop now:** [https://www.desertcart.sc/products/3678950-4400-nitro-engine-upgrade-kit-from-15-to-2-5](https://www.desertcart.sc/products/3678950-4400-nitro-engine-upgrade-kit-from-15-to-2-5)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-19*