Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Mahle’s 2mm oil ring support rail for 4.080–4.120 bores is a precision engine service component intended to restore correct oil-ring seating. Made to MS dimensions, the rail supports the oil-control assembly to promote consistent lubrication control and ring function. It’s offered for rebuilds where that specific bore size is required for proper piston ring pack clearance.
Mahle MS 4.080-4.120 2mm Oil Ring Support Rail
