Tested and approved by the Federation of British Historic Vehicle Clubs as a lead substitute for preventing valve seat regression.
Millers VSP Plus is also an octane booster restoring 95 octane unleaded petrol to the 98 octane rating of four star. This means that the pinking often associated with switching to the lower rated unleaded petrol is eliminated. It will also help prevent ethanol corrosion
Each 250ml bottle is enough to treat 40 litres and comes with a measured dispensing cap. Small enough to fit in your pannier, top box or tool tray.

• Adds up to 2 octane numbers
• Prevents valve seat recession when used with unhardened valve seats
• Prevents detonation, hot spots and running on
• Prevents fuel system corrosion
• Combats adverse effects of ethanol in fuel
• Carburettor anti-icing formula
• Contains anti-oxidant to improve fuel life