Correct, both of em. Lube the O rings on the needle/seat assys before installation. Gasket on both sides of the float hex locknut & I like to lube em as it will be turned on occaision. As said check the floats for saturation. Want a good high flow 10 micron filter right at the carb inlet. EDIT glassbead or new plugs/confirm your psi ain't excessive & you'll be back in business