VP Racing T4+ Race Fuel

VP Racing T4+ Race Fuel is engineered for riders and racers who want more consistent performance than premium pump gas can provide. This 98.5-octane, unleaded, oxygenated fuel is designed for stock and modified 4-stroke engines, helping protect against detonation while improving throttle response throughout the RPM range.

T4+ is a direct pour-in replacement for pump gas, with tuning characteristics similar to VP T4. That makes it an easy performance upgrade for riders already familiar with T4 while delivering up to 2% more power. Its ethanol-free formulation also helps avoid the moisture absorption, phase separation, and storage-related fuel system issues associated with many pump gas blends.

Whether you ride motocross, off-road, ATV, UTV, or other 4-stroke powersports applications, T4+ gives your engine a more stable, race-ready fuel foundation. It is formulated for consistent combustion and dependable performance, from hard acceleration to sustained high-RPM riding.

Why choose VP Racing T4+?

• 98.5 octane using the (R+M)/2 method for greater detonation protection
• Up to 2% more power than VP T4
• Improved throttle response across the full RPM range
• Unleaded and ethanol-free
• Direct replacement for premium pump gas
• Similar tuning characteristics to T4
• Designed for stock and modified 4-stroke engines
• More stable for long-term storage than typical pump gas
• Formulated by VP Racing, the world leader in fuel technology

Built for 4-stroke powersports

T4+ is designed for riders who need higher-octane protection without moving to a fuel that requires major tuning changes. Its 98.5-octane rating helps protect engines operating under high load, heat, and compression, while its oxygenated formulation supports strong throttle response and reliable power delivery.

It is an ideal choice for stock or modified motorcycles, dirt bikes, ATVs, UTVs, and side-by-sides that need a reliable alternative to premium pump gas.

Fuel specifications

• Octane: 98.5 (R+M)/2
• Motor Octane Number: 92.0
• Research Octane Number: 105.0
• Fuel type: Unleaded
• Oxygen content: 5.94% by weight
• Specific gravity: 0.7475
• Reid Vapor Pressure: 7.47 psi
• Stoichiometric ratio: 13.55
• Color: Colorless

Important use information

T4+ is intended for off-road and competition use where permitted. Always confirm fuel requirements and regulations for your vehicle, event, and location before use.

Frequently asked questions

What is the octane rating of VP T4+?

VP T4+ has a 98.5 octane rating using the (R+M)/2 method, with a 105.0 Research Octane Number and 92.0 Motor Octane Number.

Is VP T4+ ethanol-free?

Yes. T4+ is ethanol-free, helping reduce the risk of moisture absorption, phase separation, and storage-related fuel system problems associated with ethanol-blended pump gas.

Can I use VP T4+ instead of premium pump gas?

Yes. T4+ is formulated as a direct pour-in replacement for premium pump gas in compatible stock and modified 4-stroke engines.

Does T4+ require different tuning than VP T4?

T4+ has similar tuning characteristics to T4, making it a straightforward upgrade for applications already set up for VP T4. Confirm your engine builder or tuner’s recommendation before making fuel changes in heavily modified engines.

How is T4+ different from T4?

T4+ delivers up to 2% more power over T4, with improved throttle response and a higher 98.5-octane rating compared with T4's 97-octane rating.

What vehicles can use VP T4+ Race Fuel?

T4+ is designed for stock or modified 4-stroke powersports applications, including motorcycles, dirt bikes, ATVs, UTVs, and side-by-sides.

Can I store T4+ longer than pump gas?

T4+ is more stable in storage than typical pump gas because it does not contain ethanol. Properly seal the container and store it in a cool, dry location away from heat and ignition sources.