86mm HIGH COMP, Porsche 911 JE Piston & Cylinder Kit 2.2 & 2.4

This is a new set of 86mm Porsche 911 2.2/2.4L Highcompression JE Pistons with Biral cylinders. The Compression ratios are 10.5:1 with the 66mm crank and 11.2:1 with the 70.4mm.JE Forgings are made from 2618 Aluminum, They have a 0 offset with extra material under the top for the valve pockets. 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:JE 2618 Forged DomeHeight:.450 Compression:10.5:1/11.2:1 Kit includes:6 Cylinders, 6 Pistons, A set of Piston Rings, and 6wrist pins and clips. Part #008 911 86S JE