86mm HIGH COMP, Porsche 911 JE Piston & Cylinder Kit 2.2 & 2.4 356 Plug Size: 12mm (ReplacementNGK Number

Plug Size: 12mm (ReplacementNGK Number is D8EA)

They are also per cut for 6 stud heads

279 Duration

This is a new set of 94mm Type 1 cylinders

86mm HIGH COMP, Porsche 911 JE Piston & Cylinder Kit 2.2 & 2.4 356 Plug Size: 12mm (ReplacementNGK NumberThis 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