---
product_id: 10863697
title: "STILLEN 400338B Gates Standard Pulley Belt Set - G37 / 370Z"
brand: "stillen"
price: "40.51 DT"
currency: TND
in_stock: false
url: https://www.desertcart.tn/products/10863697-stillen-400338b-gates-standard-pulley-belt-set-g37-370z
store_origin: TN
region: Tunisia
---

# 6061 aerospace-grade billet aluminum Up to 10+ HP power gain CNC precision machining & balancing STILLEN 400338B Gates Standard Pulley Belt Set - G37 / 370Z

**Brand:** stillen
**Price:** 40.51 DT
**Availability:** ❌ Out of Stock

## Summary

> 🏁 Elevate your ride with precision power and lightweight performance!

## Quick Answers

- **What is this?** STILLEN 400338B Gates Standard Pulley Belt Set - G37 / 370Z by stillen
- **How much does it cost?** 40.51 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/10863697-stillen-400338b-gates-standard-pulley-belt-set-g37-370z)

## Best For

- stillen enthusiasts

## Why This Product

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

## Key Features

- • **Performance Gains:** Experience up to 10+ horsepower increase at the wheels with optimized pulley design
- • **Perfect Fit & Finish:** Maintains stock timing marks and keyways for seamless OEM or aftermarket integration
- • **Precision Engineered:** CNC turned, milled, and balanced for flawless performance and durability
- • **Durable Contact Points:** 304 stainless steel sleeves ensure long-lasting seal integrity
- • **Lightweight Power Boost:** Up to 80% lighter than stock steel for enhanced acceleration and efficiency

## Overview

The STILLEN 400338B Gates Standard Pulley Belt Set is a high-performance upgrade crafted from aerospace-grade 6061 billet aluminum, offering up to 80% weight reduction compared to stock steel pulleys. CNC-machined and balanced for precision, it features durable 304 stainless steel sleeves and maintains OEM timing marks, delivering up to 10+ horsepower gains for Nissan and Infiniti vehicles.

## Description

Performance Crank and Accessory Pulleys STILLEN has long manufactured precision pulleys for our supercharger kits. We have used this expertise to produce a new line of high performance crank and accessory pulleys.Each pulley is machined from 6061 aerospace grade billet aluminum with a bold new design to maximize performance, strength and minimum weight. 304 stainless steel sleeves are used for main seal contact points for durability. Stock timing marks are maintained and keyways are precision broached. All pulleys are CNC turned, milled and balanced based on computer generated designs.Up to 80% lighter weight than stock steel and up to 10% lighter than other aftermarket pulleys, we've seen power gains of up to 10+ HP at the wheels. Both underdrive and stock diameter applications available for most popular Nissan / Infiniti vehicles.

## Features

- Gates Belt Set for STILLEN or OEM Pulleys
- For Use With Part #400338 or OEM Pulley

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | STILLEN |
| Brand | STILLEN |
| Manufacturer Part Number | 400338B |

## Images

![STILLEN 400338B Gates Standard Pulley Belt Set - G37 / 370Z - Image 1](https://m.media-amazon.com/images/I/61N6teHnSaL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/10863697-stillen-400338b-gates-standard-pulley-belt-set-g37-370z](https://www.desertcart.tn/products/10863697-stillen-400338b-gates-standard-pulley-belt-set-g37-370z)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-31*