924 S L4-2479cc 2.5L (1986)
Piston: Specifications
Piston Dimensions
Standard Sizes
Tolerance Group 0
Piston Size .................................................................................................................................................. 99.98 ± 0.007 mm (3.936 in ± 0.0003 in)
Bore Size ........................................................................................................................................................... 100 ± 0.005 mm (3.937 ± 0.0002 in)
Tolerance Group 1
Piston Size .................................................................................................................................................... 99.99 ± 0.007 mm (3.9366 ± 0.0003 in)
Bore Size .................................................................................................................................................... 100.01 ± 0.005 mm (3.9374 ± 0.0002 in)
Tolerance Group 2
Piston Size ......................................................................................................................................................... 100 ± 0.007 mm (3.937 ± 0.0003 in)
Bore Size .................................................................................................................................................... 100.02 ± 0.005 mm (3.9378 ± 0.0002 in)
1st Oversize
Tolerance Group 10
Piston Size .................................................................................................................................................. 100.48 ± 0.007 mm (3.9559 ± 0.0003 in)
Bore Size .................................................................................................................................................... 100.50 ± 0.005 mm (3.9567 ± 0.0002 in)
Tolerance Group 11
Piston Size .................................................................................................................................................. 100.49 ± 0.007 mm (3.9563 ± 0.0003 in)
Bore Size .................................................................................................................................................... 100.51 ± 0.005 mm (3.9571 ± 0.0002 in)
Tolerance Group 12
Piston Size .................................................................................................................................................. 100.50 ± 0.007 mm (3.9567 ± 0.0003 in)
Bore Size .................................................................................................................................................... 100.52 ± 0.005 mm (3.9575 ± 0.0002 in)