MS979P40 is a genuine Clevite MAHLE Sealed Power main bearing set for Ford 240/250/300 six‑cylinder engines (mid‑1960s to early‑1990s). The kit includes the main bearing shells required to support the crankshaft during rebuilds and is engineered for standard clearance, delivering reliable oil film retention and smooth rotation. This MS979P40 variant uses a 3.567" flange bearing size and is commonly used in Ford passenger cars and light trucks from that era, offering OEM‑style fit for restoring engine durability.
