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Receive Up To 25% Off Your Online Purchase Of Select Parts and Accessories Instantly

Receive Up To 25% Off Your Online Purchase Of Select Parts and Accessories Instantly When items are added to the cart, the discount will automatically deduct off the price of the qualifying items. Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installation, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes select products as well as MAP priced brands & items. For full category inclusions and disclaimers, See Details Here.

The reality: your car gets tired too. Long road trips, season after season. Cold weather, hot summers. City driving, highway driving. Just like your body, your car's components can get gunked-up from years of hard use. You need a way to clean up those systems to give your car a fighting chance at peak performance. Rislone products are specially formulated to clean, condition and leave your car feeling brand new. Don't you wish it worked on you?Read more +

The reputation: before all the fad engine treatments, there was Rislone. Used by race teams and auto enthusiasts for over 90 years, Rislone is the original high-performance engine treatment. With additives designed to enhance and improve your engine's oil performance, Rislone Engine Treatment uses a multi-grade formula that provides a noticeable improvement every time you use it. Guaranteed. It doesn't matter if you use conventional or synthetic oil Rislone's got you covered.

National auto clubs, off-road groups and race teams of all levels trust Rislone to push their vehicles to their highest capabilities. But there's more to Rislone than just engine treatment. Rislone is proving to be a real innovator in fuel additives, especially with its award-winning Gasoline Fuel System Treatment. But Rislone offers a full line of fuel products, including the popular Rislone Fuel Injector Cleaner with UCL, a formula that is gaining recognition from car enthusiasts everywhere. Not all fuel additives are created equal.

Remember, your car is what it eats. Make it Rislone.

Whether you need oil enhancers or award winningfuel additives, Rislone has the wide range ofproducts you need to get optimal performancefrom your car. Shop our wide selection of trustedRislone products at Pep Boys.

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Engine Treatment

  • Gives your engine cutting edge performancewith Rislone Engine Treament
  • Works with all petroleum-based motor oils includingconventional, high mileage, and synthetic
  • Protective engine additives and special cleansingagents go above and beyond other engine treatments
Rislone Engine Treatment gives your engine cutting edge performance and works with conventional, high mileage and synthetic motor oils

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Fuel Injection Cleaner

  • Help overcome the lack of lubrication in modern fuelwith Rislone Fuel Injector Cleaner
  • Regular use helps eliminate noisy injectors and fuelpumps, rough idle, hard starting and hesitation
  • The most recommended fuel injector cleaner byperformance, racing and off-road enthusiasts
Rislone Fuel Injection Cleaner helps eliminate noisy injectors and fuel pumps, rough idle, hard starting and hesitation