Piston and Ring Set, 3 1/8" M Engine Designed for use with the

Designed for use with the following Marvel Schebler carburetors:TSX33

The vintage Allis Chalmers logo stands out proudly on the front

D9NN9F593CA

see item GR1723

Piston and Ring Set, 3 1/8" M Engine Designed for use with thePiston 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 measuring