
Castrol GTX Classic 10W/40 is a premium mineral engine oil developed for vehicles manufactured between 1978 and 1993.
Formulated to match the original specifications from that era, it provides excellent wear protection and engine cleanliness. The additive package includes ZDDP, making it suitable for classic engines while remaining compatible with both catalytic converter and non-catalyst systems.
Supplied in a 5-litre retro-style metal can, it’s ideal for enthusiasts maintaining or restoring classic vehicles.
· 10W/40 mineral oil for 1978–1993 petrol engines
· Original manufacturer-spec formula
· Contains ZDDP for anti-wear and anti-corrosion protection
· Suitable for turbocharged and naturally aspirated engines
· Compatible with vehicles with or without catalytic converters
· Supplied in a classic 5-litre metal can
A trusted choice for classic car care, engineered for period-correct performance.
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