---
product_id: 711137310
title: "Rislone 4747-12PK Octane Booster Concentrate (6 Count) Fluid_Ounces, Pack of 12"
brand: "bar's leaks"
price: "1108 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/711137310-rislone-4747-12pk-octane-booster-concentrate-6-count-fluid-ounces
store_origin: DK
region: Denmark
---

# Boosts octane by 20+ points Treats up to 20 gallons per bottle Safe for catalytic converters & sensors Rislone 4747-12PK Octane Booster Concentrate (6 Count) Fluid_Ounces, Pack of 12

**Brand:** bar's leaks
**Price:** 1108 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with every fill-up!

## Quick Answers

- **What is this?** Rislone 4747-12PK Octane Booster Concentrate (6 Count) Fluid_Ounces, Pack of 12 by bar's leaks
- **How much does it cost?** 1108 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/711137310-rislone-4747-12pk-octane-booster-concentrate-6-count-fluid-ounces)

## Best For

- bar's leaks enthusiasts

## Why This Product

- Trusted bar's leaks brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Tank Fit:** Works seamlessly with standard, clogged, and capless gas tanks.
- • **High-Octane Confidence:** Contains max legal MMT concentrate for street use without damage.
- • **Engine Guardian Formula:** Anti-shock action stops engine bumps and pings from low-quality fuel.
- • **Fuel Flexibility Master:** Compatible with unleaded, E10, E15, E85, and racing fuels.
- • **Power Surge in Every Drop:** Restore lost engine power and performance instantly.

## Overview

Rislone 4747-12PK Octane Booster Concentrate is a powerful fuel additive that increases octane by over 20 points, enhancing engine performance and preventing knocking. Safe for all gasoline types including ethanol blends and racing fuels, it protects catalytic converters and oxygen sensors while fitting all gas tank designs. Each bottle treats up to 20 gallons, making it a must-have for drivers seeking peak engine efficiency and reliability.

## Description

Rislone 4747-12PK Octane Booster Concentrate (6 Count) Fluid_Ounces, Pack of 12

## Features

- Restores loss of power and performance. Anti-shock formulation stops engine bumps and pings caused by low quality fuel.
- Typical results increase octane by more than 20 points or 2 rating numbers. Contains the highest concentrate of real MMT allowed for street use.
- Works on unleaded gasoline, E10, E15, E85 ethanol, and racing fuel. One bottle treats up to 20 gallons of gasoline
- Will not damage catalytic converters or oxygen sensors. Use with all fuel, direct injected, GTDI and carbureted, racing, supercharged and turbo engines.
- The bottle is designed to work on all gas tanks including standard, clogged and capless systems (no gas cap).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07FY313PP |
| Best Sellers Rank | #161,150 in Automotive ( See Top 100 in Automotive ) #436 in Oil & Fluid Additives |
| Brand | Bar's Leaks |
| Customer Reviews | 4.6 4.6 out of 5 stars (642) |
| Date First Available | 25 August 2020 |
| Exterior | Not Specified |
| Item Weight | 2.17 Kilograms |
| Item model number | 4747-12PK |
| Manufacturer | Rislone |
| Manufacturer Part Number | 4747-12PK |
| Product Dimensions | 17.78 x 15.24 x 25.4 cm; 2.17 kg |

## Images

![Rislone 4747-12PK Octane Booster Concentrate (6 Count) Fluid_Ounces, Pack of 12 - Image 1](https://m.media-amazon.com/images/I/71aSfcAjpML.jpg)

## Questions & Answers

**Q: Is this  safe for Harley motorcycles with 110 engines?**
A: Yes

**Q: What is the shelf life on this?**
A: The shelf life for this product is 3 years. 

If you have any other technical questions, feel free to contact our Technical Service Professionals at 800-345-6572 or if you would prefer you can use the contact us page on our website.

**Q: Can I use this if I want to run 93 ? Mixing it with 91**
A: My Merc needs 93 not available anymore where I live. So I buy by the case and add 1 at every fill of 91. Car fires great and had no issues.

**Q: What does this product boost your octane level to?**
A: 4to5 percent  above pump percent

## Frequently Bought Together

- Rislone 4747-12PK Super Concentrated Octane Booster, 6. Fluid_Ounces, 12 Pack , yellow
- Lucas Oil 10003 Fuel Treatment - 1 Quart
- Gumout 510013W-6PK Fuel System Cleaner, 6 Pack

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**Shop now:** [https://www.desertcart.dk/products/711137310-rislone-4747-12pk-octane-booster-concentrate-6-count-fluid-ounces](https://www.desertcart.dk/products/711137310-rislone-4747-12pk-octane-booster-concentrate-6-count-fluid-ounces)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-07*