Amsoil Authorized Dealers John & Zenaida Cardell

Briggs & Stratton Synthetic 4T Racing Oil

Amsoil Briggs & Stratton Synthetic 4T Racing Oil (GBS2960)

Product Highlights

Synthetic 4T Racing Oil is proven in the lab and on the track to provide increased performance in kart, junior drag, quarter midget and other racing applications. It offers benefits other oils simply can’t match.

Stock and modified small-displacement racing engines are subjected to extreme heat and elevated rpm that literally tear apart inferior oils. Viscosity loss and oil foaming can result, inviting wear and catastrophic engine failure. Amsoil combined its extensive experience formulating high-performance synthetic lubricants with the engine-building expertise of Briggs & Stratton® to develop an oil specifically designed to help racers elicit the most horsepower and longest life from their engines. Synthetic 4T Racing Oil is proven in the lab and on the track to provide increased performance in kart, junior drag, quarter midget and other racing applications. It offers benefits other oils simply can’t match.

Package Sizes (GBS2960)

CodeSizesUnits
GBS2960QT (GBS2960QT-EA)QuartEach
GBS2960QT (GBS2960QT-CA)QuartCase of 12

Reduces the Formation of Heat

Synthetic 4T Racing Oil does not contain impurities inherent to conventional oils, allowing it to naturally resist the elevated heat common to high-performance racing engines, including air-cooled models. Its increased thermal stability helps reduce operating temperatures and guards against the formation of harmful sludge and deposits, promoting optimum engine performance and life.

Maximum Horsepower & Protection

Synthetic 4T Racing Oil is engineered with specialized friction modifiers and advanced additives that reduce energy loss due to friction while providing strong anti-wear properties. As a result, Synthetic 4T Racing Oil combines the horsepower of a lite oil with the wear protection of a heavier oil.

Contains Powerful Foam Inhibitors

The churning action inside high-rpm engines introduces air into the oil, which causes lesser oils to foam. As air bubbles are drawn between engine parts, they collapse, allowing metal-to-metal contact and wear. Synthetic 4T Racing Oil is engineered with powerful anti-foam agents. It resists foam to form a durable lubricating film between engine parts.

Resists Corrosion

Synthetic 4T Racing Oil contains corrosion inhibitors to guard against the formation of corrosion between races and during longer periods of storage.

  • Tested and Validated by Briggs & Stratton and Amsoil
  • Combines the protection of a heavier oil with the performance of a lite oil
  • Reduces harmful heat
  • Inhibits foam
  • Resists corrosion

APPLICATIONS

Briggs & Stratton Synthetic 4T Racing Oil is formulated specifically for stock and modified small-displacement air-cooled racing engines used in kart, junior drag, quarter midget and other racing applications. It is recommended for any four-stroke air-cooled competition engine, whether single- or multi-cylinder, splash- or pressure-lubricated, including Briggs & Stratton V-Twin engines requiring the listed viscosity and lubricating properties. Synthetic 4T Racing Oil is recommended for alcohol- and gasoline-fueled engines. Compatible with mineral oils.

Recommendations

Do not mix with polyalkylene glycol (PAG) oils when converting to Synthetic 4T Racing Oil. Drain existing oil and refill with Synthetic 4T Racing Oil. Then operate engine at idle/low speed for 2-3 minutes. Drain oil and refill with fresh Synthetic 4T Racing Oil.

Service Life

Follow the original equipment manufacturer (OEM) or engine builder’s recommendations.

HEALTH & SAFETY

This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS). An MSDS is available via the Internet at www.amsoil.com or upon request at (715) 392-7101. Keep Out of Reach of Children. Don’t pollute. Return used oil to collection centers.

TYPICAL TECHNICAL PROPERTIES (GBS2960)
Amsoil 4T Synthetic Oil
Kinematic Viscosity @ 100°C, cSt (ASTM D445)11.6
Kinematic Viscosity @ 40°C, cSt (ASTM D445)72.2
Viscosity Index (ASTM D2270)156
CCS Viscosity cP (ASTM D5293)5610 (-15)
Pour Point °C (°F) (ASTM D97)-46 (-51)
Flash Point °C (°F) (ASTM D92)226(439)
Fire Point °C (°F) (ASTM D92244 (471)
Four-Ball Wear Test
(ASTM D4172B@40kg,75°C, 1200rpm, 1hr), Scar, mm
0.36
Noack Volatility, % weight loss (ASTM D5800)9.7
High-Temperature/High-Shear Viscosity cP (ASTM D5481)4.2

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