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From the manufacturer
Frequently Asked Questions:
How long does it take to start working?
Rislone Engine Treatment Concentrate starts working the minute you install and start driving the vehicle to help remove harmful gum, sludge, and deposits from your engine.
How does Rislone Engine Treatment Concentrate work?
Rislone Engine Treatment Concentrate gradually dissolves and removes harmful deposits of varnish, sludge and gum from the internal metal parts without plugging oil passages. These deposits form within engines and can alter tolerances, stick valves and rings, cause noisy valves and lifters, and plug oil screens and passages. Regular use of Rislone Engine Treatment, with oil and filter changes at the proper intervals, will keep such deposits to a minimum.
How much Rislone Engine Treatment Concentrate do I install?
One bottle of 4102 Rislone Engine Treatment Concentrate 16.9 oz. is designed to treat 4 to 6 quarts of oil. For larger systems, stationary engines and diesel trucks, use 1 bottle for every 5 quarts of oil capacity. For severely dirty engines, use 2 bottles (double dosage) of Rislone Engine Treatment Concentrate and change the oil and filter after 100 miles of driving.
Questions to Ask Yourself:
- Is my engine lacking the performance it once had?
- Is my engine have a loud ticking sound?
- Do I want a tune up for my vehicle, but don't have the time nor the money for an expensive mechanic?
- If you answered YES to any of the above questions it's time to give your engine the proven inexpensive solution that is Rislone's Engine Treatment
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| Rislone Engine Treatment | Rislone's Engine Oil Treatment | Rislone's Ring Seal Smoke Repair | Rislone's High Milage Compression Repair | Rislone's Complete Fuel System Treatment | |
| Oil Leaks - Small drips & spots on the ground | ✓ | ||||
| Smoking - Blue Smoke from the Exhaust | ✓ | ✓ | ✓ | ||
| Loss of Compression - Engine blow-by | ✓ | ✓ | |||
| Engine Noise - Ticking Lifter, Chatter | ✓ | ✓ | ✓ | ||
| Extends Engine Life | ✓ | ✓ | |||
| Increases Oil Pressure | ✓ | ✓ | ✓ | ||
| ZDDP Zinc - High Performance Protection | ✓ |
The Rislone Experience
Rislone, one of the original automotive chemical additives, was introduced to the world back in 1921. Over the years, our company rose to international popularity, becoming a go-to for many famous users, such as the U.S. Navy, not to mention professional race teams of almost every stripe. We have continued to evolve alongside the industry’s automotive technological changes in order to provide our customers with the best performance products out there.
With over 90 years of experience under our belt, you can trust that our revolutionary performance products will give your car a fighting chance at a long, healthy life. Follow the growth of the Rislone company below and learn about some of our favorite highlights from our long history.
Remember, your car is what it eats. Make it Rislone.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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