This is a set of two (2) Wiseco Piston Kits for the Mercury V6 2.5 Liter produced between 1992 and 2005 including 150, 175, 200, 225, 245, 260, 280, and 300 HP models.
 
Each kit includes:
Two (2) Wiseco 1.5mm Thin Semi-keystone Rings for both Nikasil and Steel sleeves
 
Please select your bore size as we offer original Wiseco Ring for the Mercury 2.5 Liter in Standard Size, .020" over, .030" over, .044" over.
 
Please feel free to contact Mike Hill at 714-697-1716 to discuss the bore size for your run applications before you finish honing.