Thanks to community member alaasd for finding this deal.
Note: Pennzoil is currently offering a $25 rebate card when you purchase 10 quarts of their Platinum oil. You may purchase 2 of these (2x 5-Quart) for $37.78 w/ S&S and receive $25 rebate card. Refer to the rebate thread for more details. You may cancel Subscribe & Save any time after your order ships.