WSM, Banshee Forged Big Bore Lightweight Piston Kit, Part# 16-5789

Ultra Light Weight Forged Big Bore piston kit. This piston has larger intake ports that have been relocated for better throtle response and performance. They are also MOS2 teflon coated. Available in sizes Std. thru .100″ over. Piston Clearance cast iron sleeve .003 to .004″, chrome bore .003″ — Part# 16-5789