SAE 40 engine oil

Since classic cars may stay in the garage for long periods (e.g. in winter), its unique formula incorporates ELF HTX technology, which provides protection against rust and corrosion. Special dispersant additives prevent soot, wear metals and combustion byproducts from settling in the crankcase and other engine parts.

Castrol Classic XXL40 is a high quality, Low detergency traditional mono grade engine oil for single and multi-cylinder engines that pre date 1950 in cars and pre date 1970 for motorcycles.