---
product_id: 52344971
title: "Rislone 4447 Compression Repair Fix with Ring Seal - 16.5 oz."
brand: "bar's leaks"
price: "HK$321"
currency: HKD
in_stock: true
reviews_count: 13
category: "Bar's Leaks"
url: https://www.desertcart.hk/products/52344971-rislone-4447-compression-repair-fix-with-ring-seal-16-5
store_origin: HK
region: Hong Kong
---

# Long-lasting viscosity improvement Stops burning oil smell Restores engine compression Rislone 4447 Compression Repair Fix with Ring Seal - 16.5 oz.

**Brand:** bar's leaks
**Price:** HK$321
**Availability:** ✅ In Stock

## Summary

> ⚡️ Bring your engine back to life — don’t let worn rings hold you back!

## Quick Answers

- **What is this?** Rislone 4447 Compression Repair Fix with Ring Seal - 16.5 oz. by bar's leaks
- **How much does it cost?** HK$321 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/52344971-rislone-4447-compression-repair-fix-with-ring-seal-16-5)

## 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

- • **Seal the Deal on Leaks:** Effectively frees sticky piston rings and seals blow-by gases.
- • **Save on Maintenance Costs:** Reduces oil consumption by improving ring seal integrity.
- • **Revive Your Engine's Power:** Restores lost compression for smoother, stronger performance.
- • **Trusted by Mechanics & Riders:** Highly rated fix that transforms worn engines back to life.
- • **Universal Engine Compatibility:** Works seamlessly on both gasoline and diesel engines.

## Overview

Rislone 4447 Compression Repair Fix with Ring Seal is a 16.5 oz. automotive additive designed to restore lost engine compression by freeing sticky piston rings and sealing blow-by gases. Compatible with gasoline and diesel engines, it improves viscosity and reduces oil burning, extending engine life and cutting maintenance costs. Highly rated by users and mechanics alike, it’s a must-have for anyone looking to revive engine performance without costly repairs.

## Description

Restores Lost Compression Repairs Blow By Frees Sticky Rings Viscosity Improver Use On Any Gasoline Or Diesel Engine

Review: Incredible stuff!!! - Purchased this in desperation as my motorbike had lost compression in one of its cylinders so it was this stuff or bike sold as spares and repairs . Used 3/4 of the bottle and the bike is running like new..... can't fault it!!!!
Review: It works! - Was advised to use this by a mechanic for a worn piston ring. The car had beforehand occasionally smelled like burning oil. It took a few days to work - But no more burning oil smell. Chances are it'll pay for itself as I won't be refilling the oil so often.

## Features

- Causes serious eye irritation.
- May cause an allergic skin reaction.
- Rislone 4447 Compression Repair Fix with Ring Seal 16.5 oz.
- Brand : RISLONE
- Product type: O RINGS

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00CGRX6RE |
| Best Sellers Rank | 5,348 in Automotive ( See Top 100 in Automotive ) 68 in Fillers, Adhesives & Sealants |
| Brand | Bar's Leaks |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,797) |
| Date First Available | 27 Oct. 2013 |
| Item Weight | 159 g |
| Item model number | 4447 |
| Manufacturer | Rislone |
| Manufacturer part number | 4447 |
| Product Dimensions | 6.6 x 6.6 x 18.8 cm; 158.76 g |
| Viscosity | 5W-30 sae_grade |

## Product Details

- **Brand:** Bar's Leaks
- **Liquid volume:** 16.5 Fluid Ounces
- **Package information:** Bottle
- **Vehicle service type:** Car, Truck, Motorcycle, ATV, etc.
- **Viscosity:** 5W-30 sae_grade

## Images

![Rislone 4447 Compression Repair Fix with Ring Seal - 16.5 oz. - Image 1](https://m.media-amazon.com/images/I/61we3oHoC9L.jpg)

## Questions & Answers

**Q: Will this help reseal oil rings in a 3 cylinder car ? My oil is covering one of my spark plugs in the car. Will this help ?**
A: No, don't but, fix your engine

**Q: Where do you put the product**
A: in with the oil in the oil tank! probably better to wait till its nearly empty then just add it to the oil tank as you adding your oil!!

**Q: Can I use this on a jet ski engine**
A: add it to existing oil as per intrutions should work same as car engine

**Q: Does car need to be driven for product to work ?  i have a car that cant be driven because of mot expired. thanks**
A: No it doesn’t, at most engine running but doesn’t need to be driving

## Customer Reviews

### ⭐⭐⭐⭐⭐ Incredible stuff!!!
*by K***S on 10 February 2025*

Purchased this in desperation as my motorbike had lost compression in one of its cylinders so it was this stuff or bike sold as spares and repairs . Used 3/4 of the bottle and the bike is running like new..... can't fault it!!!!

### ⭐⭐⭐⭐⭐ It works!
*by M***R on 22 November 2025*

Was advised to use this by a mechanic for a worn piston ring. The car had beforehand occasionally smelled like burning oil. It took a few days to work - But no more burning oil smell. Chances are it'll pay for itself as I won't be refilling the oil so often.

### ⭐⭐⭐⭐ Seems to doing the job.
*by I***E on 4 November 2025*

Seems to be working so good so far. I could feel a definite improvement with the compression and any smoke from the exhaust under load a acceleration also has stopped. How long it will last only time will tell.

## Frequently Bought Together

- Rislone High Mileage 4 6 8 Compression Repair, 16.9 oz.
- Bar's Leaks 1000 High Mileage Engine Repair, 16.9 oz | Restores Performance, Increases Compression & Horsepower, Stops Leaks, Noise & Smoking
- Bar's Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair, 16.9 oz.

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**Shop now:** [https://www.desertcart.hk/products/52344971-rislone-4447-compression-repair-fix-with-ring-seal-16-5](https://www.desertcart.hk/products/52344971-rislone-4447-compression-repair-fix-with-ring-seal-16-5)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-03*