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30% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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Receive Up To 30% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ30 at checkout to receive 30% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories, Outdoor Lifestyle, Towing, Mini Air Compressors, Tire Repair Accessories, Mufflers, Grease/Oil, Additive Chemicals, P/S Pumps, Cooling Product, Timing Belts, Specialty Tools, Radiator Hose, Motor Mounts, Mirrors, Lug Nuts, Sealants/Adhesives, Fuel Filters, P/S Hoses, Gas Cans, Oil Change Accessories, Help, Wiper Motors, Loaner Tools, Air Compressors, Horns, Books, Distributors, Sun Control and Exhaust Adapters.

Use promotional code MMJ15 at checkout to receive 15% off the following categories: Test Equipment, Power Tools, Emergency Supplies, Electronics and Stereo & Accessories (MAP pricing Exclusions).

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: WeatherTech, Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 11/22/17.

Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

Receive 20% Off Select Champion branded products with your online purchase. Use promotional code: CHAMP20.

Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.


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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 winning fuel additives, Rislone has the wide range of products you need to get optimal performance from your car. Shop our wide selection of trusted Rislone products at Pep Boys.

RISLONE
Engine Treatment

  • Gives your engine cutting edge performance with Rislone Engine Treament
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Rislone Engine Treatment gives your engine cutting edge performance and works with conventional, high mileage and synthetic motor oils

RISLONE
Fuel Injection Cleaner

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