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The Mahle MS 3/16" support rail is a precision piston ring rail sized for 4.500–4.560 inch bores. It provides dimensional stability for ring stacks during assembly and rebuilds, matching Mahle specifications to help ensure correct ring seating. Specify this rail when rebuilding or assembling engines that require a 4.500–4.560" support rail for reliable ring alignment and installation.
Mahle MS 4.500-4.560 3/16in Support Rail
