POLARIS SNOWMOBILE REPLACEMENT PISTON RING 

SET WISECO BRAND

 PART NUMBER - 2122P1

FOR THESE MODELS;

 POLARIS STARFIRE VINTAGE SNOWMOBILE ENGINES

432-TWIN CYLINDER - .010 OVERSIZE BORE

436-TWIN CYLINDER - STANDARD BORE

648-TRIPLE CYLINDER - .010 OVERSIZE BORE

THIS IS A NEW OLD STOCK PART.