635 CS 93.40mm STD Piston Rings Set for BMW S 14 B 23 M 20 B 35 (S38) M 3 M 5 M

Piston Rings Set 93.40mm STD for BMW S 14 B 23 M 20 B 35 (S38) M 3 M 5 M 635 CSi. Size : STD. Piston Bore Size : 93.40mm. OVERSIZE: IF YOU DO REQUIRE OVERSIZE PISTON RINGS ALSO LIKE 010 / 020 / 030 / 040 / 060 / 080 / 100 ETC.