Driven Racing Oil HR-1 15W50 Engine Oil - 1 US Qt (0.946 UK Litre)

HR-1 is a 15W50 engine oil by Driven Racing Oils (Joe Gibbs) which is suitable for older style pushrod (OHV) engines and has been developed to provide increased protection for camshafts. HR-1 also includes additives which protect against rust and corrosion even when the engine isn't running. This makes it ideal for classic cars which aren't used as daily drivers.Excellent protection for supercharged, big block and looser clearance enginesIdeal for long stroke and high compression enginesFeatures storage protection additives that guard against rust and corrosion during winter storageIdeal for cast iron V8 engines or older engines with looser tolerances.