Piston and Ring Set, 3 1/8"

Piston with single ring, 3 1/8" diameter. This piston would originally have had metal rings, but has since been updated to this single-groove piston. 

Fits the following models: 133, 135, 140, 152, 165, 20C, 20D, 20E, 20F, 230, 230 US Built, 231, 240, 245, 250, 265, 282, 282 US Built, 30E, 40E, 50, 550. Please note that some of these models could have a swapped piston (different from the original factory piston). We recommend removing and measuing your existing piston/cylinder before ordering.