QSC Porsche 911 84mm Cylinders & Pistons Set

QSC Porsche 911 cylinders/pistons are made of cast iron/aluminum. The surface of the cylinders is CNC machined for smooth operation. The structure of cylinders/pistons are designed to enhance the heat-resistance and durability. This set includes 6x 84mm cylinders, 6x pistons, 6x piston rings/pins/clips. *   Application Porsche 911 2.2-2.4L   Specification Cylinders material: Cast Iron Piston material: Aluminum Alloy Cylinders size: 84mm Compression ratio: 8.5:1   Features Highlights Smooth operation Heat resistant and durable Easy installation/li>   **Professional installation is recommended **A break-in period of 500 miles is required after the installation