Generac 8 kW Home Standby Generator Maintenance Kit. Designed for standby generator manufactured in 2013 or later with a 410cc Generac OHVI engine. Recommended maintenance every 200 hours or 2 years. Kit includes an air filter, oil filter, spark plugs, oil funnel, chamois, and a reminder sticker. For optimal performance, use synthetic 5W-30 oil for temperatures between -20 and 1,100 degrees Fahrenheit, 10W-30 for temperatures between -10 and 40 degrees Fahrenheit, or SAE 30 for temperatures between 32 and 110 degrees Fahrenheit. Oil is not included. This kit comes with a 90-day warranty.