This is a new set of 81mm Porsche 911 2.0L High compression JE pistons with Biral cylinders. The Compression ratio is 9.5:1 with the 66mm crank. 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: 2.0
Pistons: JE 2618 Forged
Dome Height: .460
Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.
Part # 008 911 81S JE