This is a new set of 92mm Big Bore Porsche 911 2.7L High compression JE pistons & cylinders. The Compression ratio is 10.5:1 with the 70.4mm crank.  JE Forgings are made from 2618 Aluminum, They have a 0 offset with extra material under the top for the valve pockets. The Cast Iron Liners come with out the head gasket grove. 

Engine size: 2.7

Stroke: 70.4

Cylinders: Cast Iron

Pistons: JE 2618 Forged 

Dome CC:  25.5

Compression: 10.5:1

Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.

Part # 008 911 92S JE