S&S 25W60 petroleum based engine oil was created in response to requests for something to protect engines that run hot. This higher viscosity lubricant has the same exclusive advanced additive package as our 20W50 engine oil, but is recommended for engines that typically run with oil temperatures over 250°F. At operating temperature, S&S 25W60 is equivalent to straight SAE 60 weight, but it provides easier cold starting, and flows to vital moving engine parts more quickly on start up. Ideal for vintage engines with iron cylinders, big inch engines, or if it’s just hot where you ride.
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