Yes, and I highly recommend you use synthetic in an air cooled engine.
sae-30 non-detergent
Briggs and Stratton oil must be used for Briggs and Stratton engines. They have both synthetic and standard oil. They have oils formulated for 4-cycle and 2- cycle engines.
SAE 30 full synthetic.
SAE 10W30 synthetic oil.
The recommended oil is 5w30 full synthetic oil.
SAE 10w30 Synthetic.
SAE 10w30 Synthetic.
SAE 10w30 Full Synthetic.
SAE 10w30 full synthetic.
SAE 30 weight full synthetic oil.
SAE 30 or 10W30 full synthetic.
SAE 10w30 any major brand synthetic.