Additionally, we offer BERRYMAN ENGINE OIL EXTENDER (part #1210), a super-premium engine oil additive designed to extend the life of all in-service engine oils. 1210 reduces friction and wear, helps prevent deposit formation, and provides start-up protection. Simply add the product to your crankcase when you’re about halfway into your regular oil change interval and then “reset the clock” on the oil. For conventional motor oils, we recommend adding it at 1,500-2,500 miles after last oil change and driving another 3,000-5,000 miles. For synthetic motor oils, we suggest using it 3,000-4,000 miles after last oil change and driving another 6,000-10,000 miles.
Best of all, both 1216 and 1210 are fully compatible with all single-grade and multi-grade, conventional and synthetic, gas and diesel engine oils and both products treat up to 6 quarts of oil.
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