Castrol Classic Engine Oil

Help protect your classic engine with quality engine oil formulated to provide the lubrication and protection vital internal components need. Whether you're performing routine maintenance, breaking in a fresh rebuild, or preparing your vehicle for the road, the right oil helps reduce friction and support long engine life.

• Oil Type: Mineral monograde oils (GP 50, XXL 40, XL 30) and mineral multigrade oils (XL 20W-50, GTX 10W40)
• Viscosity: Available in SAE 50, SAE 40, SAE 30, 20W-50, and 10W-40 grades
• Additive Package: Contains ZDDP in the XL 20W-50 and GTX 10W40 grades
• Package Size: Available in 1L and 5L sizes
• Application Notes: GP 50 suits pre-1950s performance cars and pre-1970s motorcycles; XXL 40 suits pre-1950s performance cars and pre-1970s multi-cylinder motorcycle engines under road and competition conditions; XL 30 suits veteran and vintage classics built before the 1950s, classic motorcycles with roller main bearings, and pre-selector gearboxes such as the Wilson type; XL 20W-50 suits pre-1988 classic cars and motorcycles with wet clutches; GTX 10W40 suits naturally aspirated and turbocharged petrol or diesel engines, with or without a catalytic converter, from 1978 to 1993