Mahle mhl1979648

The Mahle MS 2mm support rail is specified for bores from 4.145" to 4.160" and serves as a support rail in piston ring sets. Designed to fit within that bore range, this 2mm rail provides the intermediate sealing and support function within compatible ring packages and is supplied for single-cylinder or matched multi-cylinder engine builds requiring that specific support-rail dimension.

Mahle MS 4.145-4.160 2mm Support Rail