Home Slickdeals Select Costco Locations: 2-Pack 5-Qt Kirkland Signature Full Synthetic Motor Oil $30... Slickdeals Select Costco Locations: 2-Pack 5-Qt Kirkland Signature Full Synthetic Motor Oil $30 (Pricing/Availability May Vary) By ARCOM - 11 April 2024 9 0 SHARE Facebook Twitter Go to the deal page: Select Costco Locations: 2-Pack 5-Qt Kirkland Signature Full Synthetic Motor Oil $30 (Pricing/Availability May Vary)