This is a new set of Big Bore 86mm Porsche 356/912 pistons with Biral cylinders. It fits Porsche 356; C, SC, 1963-66 & Porsche 912; 1965 and Up with the 3 piece Case. The Cylinders are Biral with Graphite Coated Hypereutectic pistons with the 30° Angle, 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: 1600cc

Stroke: 74mm

Cylinders: Biral.

Pistons: Hypereutectic 

Dome CC: 17

Compression: 9.2:1

Piston Angle: 30°

Kit includes: 4 Cylinders, 4 Pistons, A set of Piston Rings, and 4 wrist pins and clips.

Part # 008 11 86PB