
Tetraboost E-Guard Road 50ml
Tetraboost E-Guard Road – Lead Replacement, Octane Booster & Ethanol Protection
Tetraboost E-Guard Road is a potassium-based fuel additive designed to act as a lead replacement, octane booster, and ethanol corrosion inhibitor. It is formulated specifically for vehicles without hardened valve seats, helping protect classic and older engines from issues caused by modern ethanol-blended fuels.
As fuel formulations continue to evolve, E-Guard Road provides essential protection against wear and corrosion while supporting smoother, more reliable engine performance.
Key Benefits:
- Acts as a lead replacement for engines without hardened valve seats
- Protects against ethanol-induced corrosion in fuel systems
- Helps prevent valve seat recession in older engines
- Raises octane rating by up to 2 points for improved performance
Application:
- One 50 ml bottle treats up to 50 litres of fuel
- Suitable for petrol engines, particularly classic and older vehicles
A practical fuel treatment designed to safeguard heritage engines, improve combustion quality, and protect against the effects of modern ethanolised fuels.
Recommended For Your Next Rally

Tetraboost E-Guard Road 50ml
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