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30% Off Online Orders of Select Parts and Accessories. Enter Promo Code PEP30 in Cart

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30% Off Online Orders of Select Parts and Accessories
Receive 30% Off Your Online Purchase. Use promotional code PEP30 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 10/27/16. Online orders scheduled for in-store pick up must be completed by closing on 10/26/16 for discount to apply.

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  • Part #: 4401 |
  • SKU: 9652594

Available today after 6 p.m.

    • Prevents Camshaft Wear
    • Reduces Piston Scuffing
Sale Price
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Rislone Engine Oil Supplement

Engine Oil Supplement with Zinc Treatment, PN 4401, will make new oils backward compatible with older engines. Designed for gasoline engines 1997 and older as well as diesel engines 2006 and older. The Zinc and Phosphorous (ZDDP) treatment will put back into new oils what the older oils contained to properly lubricate and protect those gasoline and diesel engines.
  • Prevents Camshaft Wear
  • Reduces Piston Scuffing
  • Increaes Engine Life
  • Restores ZDDP Zinc & Phosphorus levels to prevent camshaft , valvetrain and other engine damage.
  • Makes newer oils work in older engines.