Harbor Freight Tools


32 oz. 50:1 Premix Fuel/Oil

This ready to use fuel & oil pre-mix with fuel stabilizer helps maintain maximum engine performance

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STP Premium 2-Cycle Fuel & Oil Pre-Mix with Fuel Stabilizer 50:1 is a ready-to-use, pre-mixed ethanol-free formula for air cooled 2-cycle engines that meets JASO FD oil certification specifications* to help maintain maximum engine performance. The premium ethanol-free formula is engineered with synthetic blend oil and anti-wear technology to help reduce friction and keep small engines running cooler. Detergents helps keep the fuel system clean and smoke exhaust low. Plus, it contains fuel stabilizer to keep fuel fresh during infrequent use. Can be used with chainsaws, string trimmers, leaf blowers, 2-cycle generators and other 50:1 2-cycle gasoline powered small engines (refer to owner’s manual).

  • Ready-to-use, 93 octane, ethanol-free formula for 50:1 air cooled 2-cycle engines
  • Ethanol-free high-octane fuel eliminates the risk of corrosion caused by ethanol-blended gasoline
  • Engineered with Anti-Wear Technology that provides excellent engine part lubrication and enhanced anti-scuffing performance
  • Contains antioxidants that help prevent thermal breakdown of oil caused by excessive heat that can lead to compromised lubricating properties
  • Formulated with detergents that help keep engine components clean and control carbon deposits to prevent ring sticking
  • Provides corrosion protection for 2-cycle air cooled engines
  • Fuel stabilizer provides fuel stability during infrequent use

Important Information

  • *Based on available manufacturers' recommendationSTP is a registered trademark of the Armor All/STP Products Company

Container size
32 oz.
Shipping Weight
1.85 lb.
Note: Specifications are approximate and subject to change

100% Satisfaction Guarantee! If for ANY reason you are not satisfied with this item, you may return it within 90 days for a full refund or replacement.