Saddlemen Step Up 2 Up Seat for 2006 17 Harley Dyna models Black Lattice Stitch 806 04 175 2010 Arctic Cat 550 4x4 Auto LE make purchase based on description make purchase based on description and NOT the image Product Details Product Line Namura Piston Kit Part Number NA 50081 C Fitment Type Model Size Specific Fitment Use Type Aftermarket Replaceent Unit Sale Qty Style Type C Standard Bore Piston Kit Position Material Finish Piston Cylinder Size 79 Ultra Foam unique molding process creates an element resistant self skinning that seals the foam from water and enhances the seat's durability as well as comfort look no further