WSM Part# 50-520-5, TDR, Forged Lightweight Long Rod Piston kit, Part# 16-5790

Ultra-Light Weight Forged Long Rod piston kit. This piston has larger intake ports and an added boost at the top of the piston for better throttle response and performance. They are also MOS2 Teflon coated. Available in sizes Std. thru .100″ over. Clearance .0025″ to .0035″Part# 16-5790