TetraBOOST E-Guard Road is a potassium-based lead replacement, octane booster and ethanol corrosion inhibitor. Designed for cars without hardened valve seats, to give protection from problems resulting from modern ethanolised petrol.
Application: One 50ml bottle for up to 50 litres of fuel.
- Protects against ethanol induced corrosion
- Inhibits valve seat recession
- Raises octane by up to 2 points