Mahle PowerPak Plus piston and ring kits posses the attributes that you seek for the competitive edge that you want. Built from forged aluminum, these PowerPak pistons are hand-deburred and phosphate coated and then given Mahle's proprietary Grafal anti-friction coating. The lightweight kits also include low-drag slipper skirts, CNC-machined pin bores, machined ultra-flat ring grooves, and Mahle low-drag rings. These power-packed, race-proven packages provide you with unmatched consistency and performance.