Piston Ring Kit
Fits: Model 5405
Includes: 1st & 2nd stage rings, final piston/sleeve, gaskets, o-rings.
Note: Install rings with gaps 90 degrees of one another.
DO NOT dis-assemble piston/sleeve.
Note: Final stage piston fits the standard 5405 model. It does NOT fit the 5405E or 54054 models. These two models have a different type of final piston.