Porsche 911 92mm Cast Iron Cylinders Set

QSC Porsche 92mm cylinders are made of cast iron. The surface of the cylinders is CNC machined for smooth operation. The structure of cylinders is designed to enhance the heat-resistance and durability. This set includes 6x 92mm cylinders. The design of this cylinder set is modified from the stock's. The groove at the top of the rim has been removed, so the top is flat. Please refer to the pictures above.**   Application Porsche 911 2.6-2.8L   Specification Cylinders material: Cast Iron Cylinders size: 92mm   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