Seller notes

8x Pistons Rings Set Φ89mm For BMW F01 F02 F07 F10 F11 F15 F16 550i 650i 750i X5 X6 50ix N63N N63B44B N63B44TU 4.4L V8 Twin Turbo Send VIN number before order OE# 11 25 7 647 339 11 25 7 649 927 Replacement OE# 11 25 8 653 978 11 25 7 843 906 Description - STD 0.00 spec (no fit cylinder expand) - Cylinder bore Φ89.00mm - Wrist Diameter Φ22mm - Ring thickness 1st 1.2mm / 2nd 1.5mm / 3rd 2.0mm - Fit BMW N63N / N63B44B 4.4 (4395cc) V8 Twin Turbo Package includes Pistons & Rings x8cyl Fi...

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