Castrol Classic Etha-Guard Plus


๐Ÿ‡ฆ๐Ÿ‡บ We ship the Castrol Classic Valvemaster Plus Octane Boost anywhere in Australia!

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Australian Authorised Supplier – Lawless Classic Oils

Never compromise quality. Our products are 100% Castrol Classic Authentic.


  • Stabilises E5 & E10 ethanol petrol. Fully compatible with catalytic converters, Etha-Guard Plus offers the best protection against ethanol damage for drivers of younger and modern classics.

    Etha-Guard is an additive that counteracts ethanolโ€™s hygroscopic nature, preventing moisture and subsequent acidity in your fuel system. Etha-Guard protects both in use and in storage, stabilising the fuel to prevent moisture absorption and separation.

    *2 IN 1 FORMULA

    *Etha-Guard ethanol stabiliser: Enables use of E5 & E10 petrol with or without a catalytic convertor. Prevents corrosion in fuel systems. Prevents acidity in ethanol fuel. Keeps fuel system clean. Protects your vehicle in use or storage; also prevents damage to fibreglass fuel tanks.

    *Octimise Plus friction modifier: Enhanced performance and economy. Increases acceleration by up to 3% and increases economy by up to 2%.

Additional information

Weight 0.3 kg
Dimensions 5 × 5 × 22 cm



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Lawless Classic Oils

ABN 40 667 871 730

Information and enquiries: call Michael 0417 929 966

Authentic Castrol Classic Products

Castrol Classic ranges have a partnership with Castrol that goes back over 30 years and we are proud to have been appointed Authorised Australian supplier for Castrol Classic lubricants

Castrol Classic Oils. ‘CASTROL and the Castrol logo are trade-marks of CASTROL Limited, used with permission’.