Pro Racing Fuel

Mark 1: 101 Octane

• Showroom stock racing
• Endurance racing
• Tested at 11

Mark 2: 110 Octane

• 2 Stroke
• 4 Stroke
• High compression
• High RPM engines
• Tested at

Mark 3: 110 Octane

• Cold weather motorsports
• Snowmobile racing

Mark 4: 112 Octane

• High compression ratio engines
• Tested at 15:1

Mark 5: 114 Octane

• Ultra-high compression ratio engines
• Tested at 16.3:1

Mark 6: XXX Octane

• Ultra-high compression ratio engines
• Tested at 16.3:1

Methanol:

GT98: