Piston and cylinder kit, cast, upper 98,00 mm - lower 90,00 mm Type 1 - 1679cc Ø 88,00 mm - 69 mmPiston and cylinder kit, cast, upper 98,00 mm lower 90,00 mm This piston and cylinder kit of AA Performance is suitable to tune your 1600cc engine block to a cylinder capacity of 1679cc. The side of engine case doesn't need to be adapted, when it has a standard bore of 90 mm At the side of the cylinder head there should be a bore of 98 mm. The kit contains 4 cylinders, 4 pistons, 4 piston pens and 4 pairs of clips to secure the piston pens.