The latest generation of our U4 based fuels, this fuel is a direct pour-in replacement for pump gas, with little to no jetting changes required - +2 main jets and +2 pilot jets at the most. Makes power equivalent to U4 with no sticky residue and a less pungent odor. Designed for stock and modified 2-stroke and 4-stroke applications. U4.2 passes AMA amateur fuel rules and is perfect for club level racing, CCS, WERA and AFM. U4.2 makes up to 6% more power than pump gas.
- Color: Blue
- Oxygenated: Yes
- Motor Octane 102
- Specific Gravity: .784 at 60° F
NOTE: FUEL SALES ARE TRACKSIDE DELIVERY ONLY - NO SHIPPING
- Model: VPU42
- Manufactured by: VP Race Fuels
For Pirelli Race tires, you should set the tire pressure hot.
