17-2815XC 2.815" 3 Ring Wisco Piston W/Rings and Clips No Pin 2.815" Bore 3 Ring Wiseco Piston W/Rings and Clips no Pin. 2.815"(71.2mm) bore with a .640" compression height and a .490" wrist pin bore. These pistons are the same style Wiseco pistons we have... VT14,219 Add to Cart The item has been added