SAE 50 is a heavy monograde engine oil for older, worn or hard-worked classic and vintage engines. Browse our SAE 50 oils below.
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Millers Classic Pistoneeze 50 is a moderate-detergent, monograde SAE 50 mineral engine oil for classic and vintage cars with modern-type filtration, formulated with ZDDP (zinc/phosphorus) for strong anti-wear protection of older engines.
Millers Vintage Millerol 50 is a non-detergent, monograde SAE 50 mineral engine oil for vintage cars with a strainer or basic filtration. Formulated with ZDDP anti-wear additive, its non-detergent design suits early engines built to let deposits settle rather than hold them in suspension.
Penrite Heritage MTH is a Medium-to-Heavy SAE 40/50 monograde, non-detergent engine oil for veteran and Edwardian engines (around 1900–1920) with total-loss, wick-feed or early lubrication systems needing a heavier grade.
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