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⚙️ Keep your engine running like new — because your ride deserves the best!
Rislone Engine Treatment Concentrate is a 16.9 oz multi-grade formula designed to reduce engine friction, remove sludge, and quiet noisy lifters and valves. Compatible with a wide range of vehicles including lawn mowers, it helps maintain engine health without voiding warranties. Made in the USA and highly rated by thousands, it’s a trusted additive for extending engine life and performance.










| Asin | B0078661MK |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #201,656 in Car & Motorbike (See Top 100 in Car & Motorbike) #188 in Engine Oil Additives |
| Brand Name | Rislone |
| Compatible With Vehicle Type | Lawn Mower |
| Container Type | Bottle |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,729) 4.5 out of 5 stars |
| Global Trade Identification Number | 00078615041022 |
| Item Type Name | Rislone High Mileage Engine Treatment |
| Liquid Volume | 500 Millilitres |
| Manufacturer | Rislone |
| Manufacturer Part Number | 4102 |
| Manufacturer Warranty Description | No |
| Model | 4102 |
| Number Of Packs | 1 |
| Sae J300 Viscosity Grade | 10W-30 |
| Size | 1 Pack |
| Unit Count | 499.79 Milliliters |
| Upc | 078615041022 |
| What Is In The Box | Engine Treatment |
User
Magic Potion
I have owned a total of six cars, all purchased new, since 1975. I have rarely found that any additive is worth buying. My current car is a 2016 Subaru WRX Base trim line. It has 72,500 miles, which averages to about 9,000 miles per year. Over the last three years or so, I noticed a ticking sound out of the engine and I could feel a slight vibration in the steering wheel when sitting idle. So, for the first time in years, I started looking to see if there was an additive that could treat this. I had to be careful because this car uses synthetic oil and I didn't want to void any warranties. I found that the Rislone checked both those boxes and the reviews seemed very positive. I purchased this in June 2024, but didn't get around to trying it until last week, when I had an oil change. I am truly amazed. Within a week, the engine quieted down and I feel no vibration in the steering wheel. I haven't monitored the gas mileage yet, but even if it didn't increase, the change in noise and vibration made the Rislone a great purchase. I unconditionally recommend this product. It worked like magic.
User
Awsome Product
I have a Engine Tick and this stuff is Keeping my Engine Running good I will be using every oil Change and the price you can't beat very happy .
User
Great product
It is a very good product, a little pricey but it’s a personal choice like any product
User
Good
Good and good product for 8 cylinder car machine
User
Quiets the knock like it says
Quieted a knock in my engine, did its purpose. Easy to use, worth the money.
Trustpilot
2 months ago
2 days ago