8X Pistons & Rings Set 11257598207 For BMW M5 M6 X5 X6 M E70 F10 F12 S63B44 4.4T
Product Description
Piston diameter: 89.0 mm;
Compression height: 32.1 mm;
Piston offset: 0.8 mm;
Piston pin diameter: 22 mm, length: 64 mm;
Piston ring groove heights: 1.5 mm / 1.5 mm / 2.0 mm;
Circlip groove depth: 1.5 mm;
Valve recess diameters (intake/exhaust): 36 mm / 34 mm;
Combustion chamber volume: 13.97 cc;
Compression ratio: 10:1
