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Polaris Introduces PS-4 Extreme Duty 4-Cycle Engine Oil
PS-4 Extreme Duty provides the ultimate protection for
Polaris customers in hot climates and extreme applications.

Medina, MN. (August 3, 2011) – Choosing the right oil is critical to keeping Polaris ATVs and RANGER/RZR Side-by-Sides running in peak condition. To better protect the engines in these vehicles, Polaris has expanded its 4-cycle oil line to include PS-4 Extreme Duty; oil engineered to provide maximum protection in hot weather conditions.

Designed for ATV and RANGER/RZR customers who ride their machines in harsh conditions and hot temperatures, PS-4 Extreme Duty is a full-synthetic, newly-developed formulation to be used in temperatures ranging from 0°F up to 120°F.  While it may seem an easier choice to turn to automotive oils for your ATV or RANGER/RZR, these oils are not designed to provide the protection Polaris engines demand. In addition, they don’t provide the high RPM shear stability or the corrosion protection needed to keep internal parts working properly.

Without any industry standards for ATV and Side-by-Side oils in place, Polaris sets its own standards. Thousands of hours and hundreds of thousands of miles of severe field testing have proven PS-4 Extreme Duty provides the ultimate protection for Polaris customers in hot climates and extreme applications.

  • Ultimate hot weather performance
  • Increased corrosion & rust resistance
  • Extremely shear stable
  • Formulated specifically for Polaris 4-cycle engines

To watch a video about the development of PS-4 Extreme Duty oil, follow this link:

Visit a Polaris dealer to find PS-4 Extreme Duty oil and oil change kits or find them online at

About Polaris
With annual 2010 sales of $1.99 billion, Polaris designs, engineers, manufactures and markets off-road vehicles (ORVs), including all-terrain vehicles (ATVs), the Polaris RANGER® Side x Sides, snowmobiles and Victory motorcycles for recreational and utility use and has recently introduced a new on-road electric powered neighborhood vehicle.

Polaris is a recognized leader in the snowmobile industry; and one of the largest manufacturers of ORVs in the world. Victory motorcycles established in 1998 and representing the first all-new American-made motorcycle from a major company in nearly 60 years, are rapidly making impressive in-roads into the cruiser and touring motorcycle marketplace. Polaris also enhances the riding experience with a complete line of Pure Polaris apparel, accessories and parts, available at Polaris dealerships.

Polaris Industries Inc. trades on the New York Stock Exchange under the symbol “PII,” and the Company is included in the S&P MidCap 400 stock price index.

Information about the complete line of Polaris products, apparel and vehicle accessories are available from authorized Polaris dealers or anytime from the Polaris homepage at

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