Walmart has Briggs & Stratton SAE 30, 4-Cycle Oil, 18 oz on Clearance for as low as $1.50 YMMV. Free Store Pickup where available.
Specially formulated for unique demands created by air-cooled 4-cycle engines
For lawnmowers, tractors, generators, pressure washers and other outdoor power equipment
Certified and recommended in all Briggs and Stratton manuals
Keeps your small engine running strong
Maintains the life of the engine
Formulated for higher operating temperatures
Small engine oil, 18 oz