---
product_id: 58051202
title: "-4AN Turbo Oil Feed Restrictor Fitting"
brand: "boost monkey"
price: "¥3295"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/58051202-4an-turbo-oil-feed-restrictor-fitting
store_origin: JP
region: Japan
---

# Fits multiple GT turbo models Precision 0.9mm restrictor hole Compact 1-inch form factor -4AN Turbo Oil Feed Restrictor Fitting

**Brand:** boost monkey
**Price:** ¥3295
**Availability:** ✅ In Stock

## Summary

> ⚡️ Turbocharge your ride with precision oil flow!

## Quick Answers

- **What is this?** -4AN Turbo Oil Feed Restrictor Fitting by boost monkey
- **How much does it cost?** ¥3295 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/58051202-4an-turbo-oil-feed-restrictor-fitting)

## Best For

- boost monkey enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** Only 1 ounce and 1-inch size for seamless installation
- • **Precision Oil Flow Control:** 0.9mm restrictor hole ensures optimal turbo oil feed
- • **Professional Grade Fitment:** 7/16"-20UNF thread for secure, leak-free connection
- • **Durable Boost Monkey Quality:** Engineered for reliability and longevity
- • **Universal Turbo Compatibility:** Fits GT25R, GT28R, GT28RS, GT30, GT35R & more

## Overview

The Boost Monkey® -4AN Turbo Oil Feed Restrictor Fitting features a precise 0.9mm restrictor hole designed to optimize oil flow to your turbocharger. Compatible with a wide range of GT series turbos including GT25R, GT28R, GT28RS, GT30, and GT35R, this compact and lightweight fitting ensures professional-grade installation with its 7/16"-20UNF thread. Engineered for durability and performance, it’s a must-have upgrade for any serious turbo enthusiast.

## Description

-4AN Turbo Oil Feed Restrictor Fitting

## Features

- Ftis GT25R/GT28R/GT28RS/GT30/GT35R & More
- AN -4 , 7/16"-20UNF
- Restrictor (Hole Size) :0.9mm (0.035")

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Boost Monkey® |
| Brand | Boost Monkey |
| Item Weight | 1 ounces |
| Product Dimensions | 1 x 1 x 1 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | an4rbm |

## Images

![-4AN Turbo Oil Feed Restrictor Fitting - Image 1](https://m.media-amazon.com/images/I/41ypm0pHnHL.jpg)

## Questions & Answers

**Q: Will this fit a precision 6266 turbo?**
A: The thread is 7/16 -20

**Q: This is the second time we ordered tha part. Is there a way to make sure correct item is sent? Is there a way to speed up shipping?**
A: Pay for prime

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**Shop now:** [https://www.desertcart.jp/products/58051202-4an-turbo-oil-feed-restrictor-fitting](https://www.desertcart.jp/products/58051202-4an-turbo-oil-feed-restrictor-fitting)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-17*