Home Slickdeals Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quart Jug (Pack of... Slickdeals Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quart Jug (Pack of 3) reg $82.99 as low as $38.93 By ARCOM - 6 March 2022 55 0 SHARE Facebook Twitter Go to the deal page: Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quart Jug (Pack of 3) reg $82.99 as low as $38.93