Mahle is a leader in piston and ring technology. They lead the industry with low friction rings that maximizes all potential horsepower in an engine. Reducing friction is a sure way to free up that hidden horsepower. The Mahle PowerPak is a complete, race proven piston assembly kit composed of hand deburred, forged, performance coated pistons, high quality steel pins, round wire locks and low drag performance rings. Mahle pistons are a great choice for your next engine build!