84mm Porsche 911 Hi Comp, Piston & Cylinder Kit

This is a new set of 84mm Porsche 911 2.2/2.4L Highcompression pistons with Biral cylinders. The Compression ratios are 9.1:1 with the 66mm crank and 9.7:1 with the 70.4mm. The Cylinders are Biral with Graphite Coated Hypereutectic pistons with valve pockets, and the 22mm Pin. Biral Liners are a cast iron sleeve with aluminum fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads. Engine size:2.2/2.4L Stroke:66/70.4mm Cylinders:Biral. Pistons: Hypereutectic DomeHeight: 13mm Compression:9.1:1/9.7:1 Kit includes:6 Cylinders, 6 Pistons, A set of Piston Rings, and 6wrist pins and clips. Part #008 911 84S