The Mahle OE Plain Ring Set is a 2nd-ring piston ring with dimensions 4.080 in bore by 1.0 mm section and .136 in RW. This Napier steel plain ring set is presented for engine rebuilds and maintenance where that specific second-ring sizing is necessary, giving technicians a properly specified plain ring option for compatible piston and cylinder assemblies.
Mahle Rings Performance Napier Steel 2nd Ring 4.080in x 1.0MM .136in RW Plain Ring Set