Pep Boys is offering 5 Quarts of Shell Rotella Gas Truck Motor Oil (5W-30, 0W-20, 5W-20) for FREE (29.99 – 30 MIR) for a limited time. The $30 mail-in-rebate will be paid as a prepaid Mastercard and is valid for qualifying purchases made at a Pep Boys store between April 25 – May 22, 2021. Limited to 2 rebates per product per person.