This is a brand-new Big Bore 86mm piston and cylinder set for Porsche 356 models. It fits Porsche 356 A and B, including Super 90 engines (1955–1963) equipped with the 3-piece case.

The kit features cast iron cylinders and graphite-coated hypereutectic pistons with a 22° piston angle, valve pockets, and 22mm wrist pins. No machine work is required when installing into factory Porsche cases and heads.

Specifications:

• Original Engine Size: 1600cc

• Displacement After Installation: 1700cc

• Stroke: 74mm

• Cylinders: Cast Iron

• Pistons: Hypereutectic

• Dome Volume: 17cc

• Compression Ratio: 9.2:1

• Piston Angle: 22°

Kit Includes:

• (4) Cast Iron Cylinders

• (4) Pistons

• (1) Complete Set of Piston Rings

• (4) 22mm Wrist Pins with Clips