HF 79cc Engine; Predator 79cc Carburetor; Predator 79cc Carburetor Products [2] Sort by: Quick View. The 4 MHP Engine is offered with a 0. Add to wishlist. Harbor Freight Chicago Electric Predator 79CC 69733 Engines. 6695 Predator 212 Speedway Billet Flywheel, Non Hemi. 5 hp), & 301cc (8 hp) engines may also be used on many similar engine brands.. "/>