Special ceramic hybrid crankshaft bearing sets for Briggs Animal / LO206 / World Formula engines. Typical horsepower gain is 5%, or about a half horsepower on a built-up Briggs motor. Replaces Briggs Part # 798538 & 690824. Bearing #6204/22.217 & 6205/27. Check rules for legality!!! NOT ACTUAL PIC SHOWN.
